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Module 2: Fighters in the War
Against Cybercrime
CyberOps Associate v1.0
2
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Module Objectives
Module Title: Fighters in the War Against Cybercrime
Module Objective: Explain how to prepare for a career in cybersecurity operations.
Topic Title Topic Objective
The Modern Security Operations Centre Explain the mission of the Security Operations Center (SOC).
Becoming a Defender Describe resources available to prepare for a career in cybersecurity operations.
3
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
2.1 The Modern Security
Operations Center
4
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Fighters in the War Against Cybercrime
Elements of a SOC
• To use a formalized, structured, and disciplined
approach for defending against cyber threats,
organizations typically use the services of
professionals from a Security Operations Center
(SOC).
• SOCs provide a broad range of services, from
monitoring and management, to comprehensive
threat solutions and customized hosted security.
• SOCs can be wholly in-house, owned and operated
by a business, or elements of a SOC can be
contracted out to security vendors, such as
Cisco’s Managed Security Services.
5
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
People in the SOC
SOCs assign job roles by tiers, according to the expertise and responsibilities required for each.
Tiers Responsibilities
Tier 1 Alert Analyst Monitor incoming alerts, verify that a true incident has occurred, and
forward tickets to Tier 2, if necessary.
Tier 2 Incident Responder Responsible for deep investigation of incidents and advise remediation or
action to be taken.
Tier 3 Threat Hunter Experts in network, endpoint, threat intelligence, malware reverse
engineering and tracing the processes of the malware to determine its
impact and how it can be removed. They are also deeply involved in
hunting for potential threats and implementing threat detection tools. Threat
hunters search for cyber threats that are present in the network but have
not yet been detected.
SOC Manager Manages all the resources of the SOC and serves as the point of contact
for the larger organization or customer.
6
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Fighters in the War Against Cybercrime
People in the SOC (Contd.)
• First tier jobs are more entry
level, while third tier jobs require
extensive expertise.
• The figure, which is originally
from the SysAdmin, Audit,
Network and Security (SANS)
Institute, graphically represents
how these roles interact with
each other.
7
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
Process in the SOC
• A Cybersecurity Analyst is required to monitor security alert
queues and investigate the assigned alerts. A ticketing system
is used to assign these alerts to the analyst’s queue.
• The software that generates the alerts can trigger false
alarms. The analyst, therefore, needs to verify that an
assigned alert represents a true security incident.
• When this verification is established, the incident can be
forwarded to investigators or other security personnel to be
acted upon. Otherwise, the alert is dismissed as a false alarm.
• If a ticket cannot be resolved, the Cybersecurity Analyst
forwards the ticket to a Tier 2 Incident Responder for deeper
investigation and remediation.
• If the Incident Responder cannot resolve the ticket, it is
forwarded it to a Tier 3 personnel.
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© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
Technologies in the SOC: SIEM
 SOC needs a security information and event management system (SIEM), or its
equivalent. SIEM makes sense of all the data that firewalls, network appliances, intrusion
detection systems, and other devices generate.
 SIEM systems are used for collecting and filtering data, detecting and classifying threats, and
analyzing and investigating threats.
 SIEM systems may also and manage resources to implement preventive measures and
address future threats.
 SOC technologies include one or more of the following:
 Event collection, correlation, and analysis
 Security monitoring
 Security control
 Log management
 Vulnerability assessment
 Vulnerability tracking
 Threat intelligence
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© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
Technologies in the SOC: SOAR
• SIEM and Security Orchestration,
Automation and Response (SOAR)
are often paired together as they have
capabilities that complement each other.
• Large security operations (SecOps)
teams use both technologies to optimize
their SOC.
• SOAR platforms are similar to SIEMs as
they aggregate, correlate, and analyze
alerts. In addition, SOAR technology
integrate threat intelligence and
automate incident investigation and
response workflows based on playbooks
developed by the security team.
10
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
Technologies in the SOC: SOAR (Contd.)
• SOAR security platforms:
• Gather alarm data from each component of the system.
• Provide tools that enable cases to be researched, assessed, and investigated.
• Emphasize integration as a means of automating complex incident response workflows
that enable more rapid response and adaptive defense strategies.
• Include pre-defined playbooks that enable automatic response to specific threats.
Playbooks can be initiated automatically based on predefined rules or may be triggered
by security personnel.
• SIEM systems necessarily produce more alerts than most SecOps teams can realistically
investigate in order to conservatively capture as many potential exploits as possible.
• SOAR will process many of these alerts automatically and will enable security personnel to
focus on more complex and potentially damaging exploits.
11
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
SOC Metrics
• A SOC is critically important to the security of an organization. Whether internal to an organization or
providing services to multiple organizations, it is important to understand how well the SOC is functioning,
so that improvements can be made to the people, processes, and technologies that comprise the SOC.
• Many metrics or Key Performance Indicators (KPI) can be devised to measure different aspects of SOC
performance. However, five metrics are commonly used as SOC metrics by SOC managers.
Metrics Definition
Dwell Time The length of time that threat actors have access to a network before they are
detected, and their access is stopped
Mean Time to
Detect (MTTD)
The average time that it takes for the SOC personnel to identify valid security
incidents have occurred in the network
Mean Time to
Respond (MTTR)
The average time it takes to stop and remediate a security incident
Mean Time to
Contain (MTTC)
The time required to stop the incident from causing further damage to systems or data
Time to Control The time required to stop the spread of malware in the network
12
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
Enterprise and Managed Security
• For medium and large networks, the organization will benefit from implementing an
enterprise-level SOC, which is a complete in-house solution.
• Larger organizations may outsource at least a part of the SOC operations to a security
solutions provider.
• Cisco offers a wide range of incident response, preparedness, and management capabilities
including:
• Cisco Smart Net Total Care Service for Rapid Problem Resolution
• Cisco Product Security Incident Response Team (PSIRT)
• Cisco Computer Security Incident Response Team (CSIRT)
• Cisco Managed Services
• Cisco Tactical Operations (TacOps)
• Cisco’s Safety and Physical Security Program
13
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime
Security vs. Availability
• Security personnel understand that for the organization to accomplish its priorities, network
availability must be preserved.
• Each business or industry has a limited tolerance for network downtime. That tolerance is
usually based upon a comparison of the cost of the downtime in relation to the cost of
ensuring against downtime.
Availability % Downtime
99.8% 17.52 hours
99.9% (“three nines") 8.76 hours
99.99% (“ four nines" ) 52.56 minutes
99.999% (“five nines") 5.256 minutes
99.9999% (“six nines“ ) 31.56 seconds
99.99999% (“seven nines“ ) 3.16 seconds
• Security cannot be so strong that it interferes
with the needs of employees or business
functions. It is always a tradeoff between
strong security and permitting efficient
business functioning.
14
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2.2 Becoming a Defender
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© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Becoming a Defender
Certifications
• A variety of cybersecurity certifications that are relevant
to careers in SOCs are available:
• Cisco Certified CyberOps Associate
• CompTIA Cybersecurity Analyst Certification
• (ISC)² Information Security Certifications
• Global Information Assurance Certification
(GIAC)
• Search for “cybersecurity certifications” on the
Internet to know more about other vendor
and vendor-neutral certifications.
16
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Becoming a Defender
Further Education
• Degrees: When considering a career in the cybersecurity field,
one should seriously consider pursuing a technical degree or
bachelor’s degree in computer science, electrical engineering,
information technology, or information security.
• Python Programming: Computer programming is an essential
skill for anyone who wishes to pursue a career in
cybersecurity. If you have never learned how to program, then
Python might be the first language to learn.
• Linux Skills: Linux is widely used in SOCs and other
networking and security environments. Linux skills are a
valuable addition to your skillset as you work to develop a
career in cybersecurity.
17
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Becoming a Defender
Sources of Career Information
• A variety of websites and mobile applications advertise
information technology jobs. Each site targets a variety
of job applicants and provides different tools for
candidates to research their ideal job position.
• Many sites are job site aggregators that gather listings
from other job boards and company career sites and
display them in a single location.
• Indeed.com
• CareerBuilder.com
• USAJobs.gov
• Glassdoor
• LinkedIn
18
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Becoming a Defender
Getting Experience
• Internships: Internships are an excellent method for entering the
cybersecurity field. Sometimes, internships turn into an offer of full time
employment. However, even a temporary internship allows you the
opportunity to gain experience in the inner workings of a cybersecurity
organization
• Scholarships and Awards: To help close the security
skills gap, organizations like Cisco and INFOSEC have
introduced scholarship and awards programs.
• Temporary Agencies: Many organizations use temporary agencies to fill
job openings for the first 90 days. If the employee is a good match, the
organization may convert the employee to a full-time, permanent
position.
• Your First Job: If you have no experience in the cybersecurity field,
working for a call center or support desk may be your first step into
gaining the experience you need to move ahead in your career.
19
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Becoming a Defender
Lab – Becoming a Defender
In this lab, you will research and analyze what it takes to become a network
defender.
20
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
2.3 Fighters in the War Against
Cybercrime Summary
21
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime Summary
What Did I Learn in this Module?
• Major elements of the SOC include people, processes, and technologies.
• The job roles include a Tier 1 Alert Analyst, a Tier 2 Incident Responder, a Tier 3 Threat
hunter, and an SOC Manager.
• A Tier 1 Analyst monitors incidents, open tickets, and performs basic threat mitigation.
• SEIM systems are used for collecting and filtering data, detecting and classifying threats,
and analyzing and investigating threats.
• SOAR integrates threat intelligence and automates incident investigation and response
workflows based on playbooks developed by the security team.
• KPIs are devised to measure different aspects of SOC performance. Common metrics
include Dwell Time, Meant Time to Detect (MTTD), Mean Time to Respond (MTTR), Mean
Time to Contain (MTTC), and Time to Control.
22
© 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
Fighters in the War Against Cybercrime Summary
What Did I Learn in this Module? (Contd.)
• There must be a balance between security and availability of the networks. Security cannot
be so strong that it interferes with employees or business functions.
• A variety of cybersecurity certifications that are relevant to careers in SOCs are available
from different organizations.
CA_Module_2.pdf

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CA_Module_2.pdf

  • 1. Module 2: Fighters in the War Against Cybercrime CyberOps Associate v1.0
  • 2. 2 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Module Objectives Module Title: Fighters in the War Against Cybercrime Module Objective: Explain how to prepare for a career in cybersecurity operations. Topic Title Topic Objective The Modern Security Operations Centre Explain the mission of the Security Operations Center (SOC). Becoming a Defender Describe resources available to prepare for a career in cybersecurity operations.
  • 3. 3 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2.1 The Modern Security Operations Center
  • 4. 4 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Elements of a SOC • To use a formalized, structured, and disciplined approach for defending against cyber threats, organizations typically use the services of professionals from a Security Operations Center (SOC). • SOCs provide a broad range of services, from monitoring and management, to comprehensive threat solutions and customized hosted security. • SOCs can be wholly in-house, owned and operated by a business, or elements of a SOC can be contracted out to security vendors, such as Cisco’s Managed Security Services.
  • 5. 5 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime People in the SOC SOCs assign job roles by tiers, according to the expertise and responsibilities required for each. Tiers Responsibilities Tier 1 Alert Analyst Monitor incoming alerts, verify that a true incident has occurred, and forward tickets to Tier 2, if necessary. Tier 2 Incident Responder Responsible for deep investigation of incidents and advise remediation or action to be taken. Tier 3 Threat Hunter Experts in network, endpoint, threat intelligence, malware reverse engineering and tracing the processes of the malware to determine its impact and how it can be removed. They are also deeply involved in hunting for potential threats and implementing threat detection tools. Threat hunters search for cyber threats that are present in the network but have not yet been detected. SOC Manager Manages all the resources of the SOC and serves as the point of contact for the larger organization or customer.
  • 6. 6 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime People in the SOC (Contd.) • First tier jobs are more entry level, while third tier jobs require extensive expertise. • The figure, which is originally from the SysAdmin, Audit, Network and Security (SANS) Institute, graphically represents how these roles interact with each other.
  • 7. 7 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Process in the SOC • A Cybersecurity Analyst is required to monitor security alert queues and investigate the assigned alerts. A ticketing system is used to assign these alerts to the analyst’s queue. • The software that generates the alerts can trigger false alarms. The analyst, therefore, needs to verify that an assigned alert represents a true security incident. • When this verification is established, the incident can be forwarded to investigators or other security personnel to be acted upon. Otherwise, the alert is dismissed as a false alarm. • If a ticket cannot be resolved, the Cybersecurity Analyst forwards the ticket to a Tier 2 Incident Responder for deeper investigation and remediation. • If the Incident Responder cannot resolve the ticket, it is forwarded it to a Tier 3 personnel.
  • 8. 8 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Technologies in the SOC: SIEM  SOC needs a security information and event management system (SIEM), or its equivalent. SIEM makes sense of all the data that firewalls, network appliances, intrusion detection systems, and other devices generate.  SIEM systems are used for collecting and filtering data, detecting and classifying threats, and analyzing and investigating threats.  SIEM systems may also and manage resources to implement preventive measures and address future threats.  SOC technologies include one or more of the following:  Event collection, correlation, and analysis  Security monitoring  Security control  Log management  Vulnerability assessment  Vulnerability tracking  Threat intelligence
  • 9. 9 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Technologies in the SOC: SOAR • SIEM and Security Orchestration, Automation and Response (SOAR) are often paired together as they have capabilities that complement each other. • Large security operations (SecOps) teams use both technologies to optimize their SOC. • SOAR platforms are similar to SIEMs as they aggregate, correlate, and analyze alerts. In addition, SOAR technology integrate threat intelligence and automate incident investigation and response workflows based on playbooks developed by the security team.
  • 10. 10 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Technologies in the SOC: SOAR (Contd.) • SOAR security platforms: • Gather alarm data from each component of the system. • Provide tools that enable cases to be researched, assessed, and investigated. • Emphasize integration as a means of automating complex incident response workflows that enable more rapid response and adaptive defense strategies. • Include pre-defined playbooks that enable automatic response to specific threats. Playbooks can be initiated automatically based on predefined rules or may be triggered by security personnel. • SIEM systems necessarily produce more alerts than most SecOps teams can realistically investigate in order to conservatively capture as many potential exploits as possible. • SOAR will process many of these alerts automatically and will enable security personnel to focus on more complex and potentially damaging exploits.
  • 11. 11 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime SOC Metrics • A SOC is critically important to the security of an organization. Whether internal to an organization or providing services to multiple organizations, it is important to understand how well the SOC is functioning, so that improvements can be made to the people, processes, and technologies that comprise the SOC. • Many metrics or Key Performance Indicators (KPI) can be devised to measure different aspects of SOC performance. However, five metrics are commonly used as SOC metrics by SOC managers. Metrics Definition Dwell Time The length of time that threat actors have access to a network before they are detected, and their access is stopped Mean Time to Detect (MTTD) The average time that it takes for the SOC personnel to identify valid security incidents have occurred in the network Mean Time to Respond (MTTR) The average time it takes to stop and remediate a security incident Mean Time to Contain (MTTC) The time required to stop the incident from causing further damage to systems or data Time to Control The time required to stop the spread of malware in the network
  • 12. 12 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Enterprise and Managed Security • For medium and large networks, the organization will benefit from implementing an enterprise-level SOC, which is a complete in-house solution. • Larger organizations may outsource at least a part of the SOC operations to a security solutions provider. • Cisco offers a wide range of incident response, preparedness, and management capabilities including: • Cisco Smart Net Total Care Service for Rapid Problem Resolution • Cisco Product Security Incident Response Team (PSIRT) • Cisco Computer Security Incident Response Team (CSIRT) • Cisco Managed Services • Cisco Tactical Operations (TacOps) • Cisco’s Safety and Physical Security Program
  • 13. 13 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Security vs. Availability • Security personnel understand that for the organization to accomplish its priorities, network availability must be preserved. • Each business or industry has a limited tolerance for network downtime. That tolerance is usually based upon a comparison of the cost of the downtime in relation to the cost of ensuring against downtime. Availability % Downtime 99.8% 17.52 hours 99.9% (“three nines") 8.76 hours 99.99% (“ four nines" ) 52.56 minutes 99.999% (“five nines") 5.256 minutes 99.9999% (“six nines“ ) 31.56 seconds 99.99999% (“seven nines“ ) 3.16 seconds • Security cannot be so strong that it interferes with the needs of employees or business functions. It is always a tradeoff between strong security and permitting efficient business functioning.
  • 14. 14 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2.2 Becoming a Defender
  • 15. 15 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Becoming a Defender Certifications • A variety of cybersecurity certifications that are relevant to careers in SOCs are available: • Cisco Certified CyberOps Associate • CompTIA Cybersecurity Analyst Certification • (ISC)² Information Security Certifications • Global Information Assurance Certification (GIAC) • Search for “cybersecurity certifications” on the Internet to know more about other vendor and vendor-neutral certifications.
  • 16. 16 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Becoming a Defender Further Education • Degrees: When considering a career in the cybersecurity field, one should seriously consider pursuing a technical degree or bachelor’s degree in computer science, electrical engineering, information technology, or information security. • Python Programming: Computer programming is an essential skill for anyone who wishes to pursue a career in cybersecurity. If you have never learned how to program, then Python might be the first language to learn. • Linux Skills: Linux is widely used in SOCs and other networking and security environments. Linux skills are a valuable addition to your skillset as you work to develop a career in cybersecurity.
  • 17. 17 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Becoming a Defender Sources of Career Information • A variety of websites and mobile applications advertise information technology jobs. Each site targets a variety of job applicants and provides different tools for candidates to research their ideal job position. • Many sites are job site aggregators that gather listings from other job boards and company career sites and display them in a single location. • Indeed.com • CareerBuilder.com • USAJobs.gov • Glassdoor • LinkedIn
  • 18. 18 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Becoming a Defender Getting Experience • Internships: Internships are an excellent method for entering the cybersecurity field. Sometimes, internships turn into an offer of full time employment. However, even a temporary internship allows you the opportunity to gain experience in the inner workings of a cybersecurity organization • Scholarships and Awards: To help close the security skills gap, organizations like Cisco and INFOSEC have introduced scholarship and awards programs. • Temporary Agencies: Many organizations use temporary agencies to fill job openings for the first 90 days. If the employee is a good match, the organization may convert the employee to a full-time, permanent position. • Your First Job: If you have no experience in the cybersecurity field, working for a call center or support desk may be your first step into gaining the experience you need to move ahead in your career.
  • 19. 19 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Becoming a Defender Lab – Becoming a Defender In this lab, you will research and analyze what it takes to become a network defender.
  • 20. 20 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2.3 Fighters in the War Against Cybercrime Summary
  • 21. 21 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Summary What Did I Learn in this Module? • Major elements of the SOC include people, processes, and technologies. • The job roles include a Tier 1 Alert Analyst, a Tier 2 Incident Responder, a Tier 3 Threat hunter, and an SOC Manager. • A Tier 1 Analyst monitors incidents, open tickets, and performs basic threat mitigation. • SEIM systems are used for collecting and filtering data, detecting and classifying threats, and analyzing and investigating threats. • SOAR integrates threat intelligence and automates incident investigation and response workflows based on playbooks developed by the security team. • KPIs are devised to measure different aspects of SOC performance. Common metrics include Dwell Time, Meant Time to Detect (MTTD), Mean Time to Respond (MTTR), Mean Time to Contain (MTTC), and Time to Control.
  • 22. 22 © 2020 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Fighters in the War Against Cybercrime Summary What Did I Learn in this Module? (Contd.) • There must be a balance between security and availability of the networks. Security cannot be so strong that it interferes with employees or business functions. • A variety of cybersecurity certifications that are relevant to careers in SOCs are available from different organizations.