The document discusses computer security and common cyber attack vectors. It defines key terms like attack surface, attack vectors, and security breaches. It then describes 8 common attack vectors: compromised credentials, weak/stolen credentials, malicious insiders, missing/poor encryption, misconfiguration, ransomware, phishing, and trust relationships. Typical symptoms of an attack are also listed, such as slow performance, strange files/programs, and automatic messages. The consequences of a successful attack compromise the goals of computer security - confidentiality, integrity and availability.
Ethical Hacking Concepts and Scopes, Threats and Attack Vectors, Information Assurance, Threat Modelling
Enterprise Information Security Architecture, Vulnerability
Assessment and Penetration Testing
Types of Social Engineering, Insider Attack, Preventing Insider
Threats, Social Engineering Targets and Defence Strategies
ETHICAL HACKING AND SOCIAL ENGINEERING
Topics Covered: Ethical Hacking Concepts and Scopes, Threats and Attack Vectors, Information Assurance, Threat Modelling, Enterprise Information Security Architecture, Vulnerability, Assessment and Penetration Testing, Types of Social Engineering, Insider Attack, Preventing Insider Threats, Social Engineering Targets and Defence Strategies
Ethical Hacking Concepts and Scopes, Threats and Attack Vectors, Information Assurance, Threat Modelling
Enterprise Information Security Architecture, Vulnerability
Assessment and Penetration Testing
Types of Social Engineering, Insider Attack, Preventing Insider
Threats, Social Engineering Targets and Defence Strategies
ETHICAL HACKING AND SOCIAL ENGINEERING
Topics Covered: Ethical Hacking Concepts and Scopes, Threats and Attack Vectors, Information Assurance, Threat Modelling, Enterprise Information Security Architecture, Vulnerability, Assessment and Penetration Testing, Types of Social Engineering, Insider Attack, Preventing Insider Threats, Social Engineering Targets and Defence Strategies
A brief introduction to Computer Security and its threats, Security Mechanism(Cryptography, Digital Signature, Firewall, IDS etc) and Security Services.
In present world, where computers/laptops and smart phone made it possible to extract other's secrets, a need has been imminent to handle such problems by Cyber Security Regime, which not only be launched by individuls(IT Expert) of organizations but the governments of the country should also play a vital role.
This presentation includes 60+ slides that mainly deals with three Computer Security aspects i.e
1. Security Attacks and Threats
2. Security Services
3. Security Mechanisms
Along with that we've also includes Security Awareness and Security Policies
Cyber Security Module 3.pptx Cybersecurity is the practice of protecting syst...GIRISHKUMARBC1
Cybersecurity is the practice of protecting systems, networks, and programs from digital attacks. These cyberattacks are usually aimed at accessing, changing, or destroying sensitive information; extorting money from users via ransomware; or interrupting normal business processes.
A series of Cyber security lecture notes..........................
(Endpoint, Server, and Device Security), (Identity, Authentication, and Access Management)
(Data Protection and Cryptography)
The Impact of Artificial Intelligence on Modern Society.pdfssuser3e63fc
Just a game Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?
A brief introduction to Computer Security and its threats, Security Mechanism(Cryptography, Digital Signature, Firewall, IDS etc) and Security Services.
In present world, where computers/laptops and smart phone made it possible to extract other's secrets, a need has been imminent to handle such problems by Cyber Security Regime, which not only be launched by individuls(IT Expert) of organizations but the governments of the country should also play a vital role.
This presentation includes 60+ slides that mainly deals with three Computer Security aspects i.e
1. Security Attacks and Threats
2. Security Services
3. Security Mechanisms
Along with that we've also includes Security Awareness and Security Policies
Cyber Security Module 3.pptx Cybersecurity is the practice of protecting syst...GIRISHKUMARBC1
Cybersecurity is the practice of protecting systems, networks, and programs from digital attacks. These cyberattacks are usually aimed at accessing, changing, or destroying sensitive information; extorting money from users via ransomware; or interrupting normal business processes.
A series of Cyber security lecture notes..........................
(Endpoint, Server, and Device Security), (Identity, Authentication, and Access Management)
(Data Protection and Cryptography)
The Impact of Artificial Intelligence on Modern Society.pdfssuser3e63fc
Just a game Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?
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1. Computer security
Objectives
Definition
Compare different attack vectors, the reasons why
email is a popular vector
Typical symptoms of attack
Consequences of successful attack.
2. What is Attack surface
• The sum-total of points on a network where attacks can
occur where an unauthorized user (the “attacker”) can try
to manipulate or extract data using a myriad of breach
methods (the “cyber attack vectors”).
• If you consider a graph, where the x-axis lists all of the
devices and apps on your network (infrastructure, apps,
endpoints, IoT, etc.) and the y-axis are the different
breach methods such as weak and default passwords,
reused passwords, phishing, social engineering,
unpatched software, misconfigurations etc. – the plot is
your attack surface.
4. What is Cyber Attack vector
• The method or way by an adversary can breach or
infiltrate an entire network/system. Attack vectors
enable hackers to exploit system vulnerabilities,
including the human element.
5. What is Security breach
• Any security incident in which sensitive, protected,
or confidential data is accessed or stolen by an
unauthorized party, jeopardizing an organization’s
brand, customers, and assets. Incidents such as
DDoS, Bitcoin mining etc. are also security
breaches. Data breaches are the most common,
but not all security incidents concern data theft.
6. 8 common cyber attack vectors
1. Compromised Credentials
• The username and password are most common
type of access credential.
• Compromised credentials describe a case where
user credentials, such as usernames and
passwords, are exposed to unauthorized entities.
• This typically happens when unsuspecting users fall
prey to phishing attempts and enter their login
credentials on fake websites.
7. Continue...
• When lost, stolen or exposed, compromised
credentials can give the intruder an insider’s
access.
• Although monitoring and analysis within the
enterprise can identify suspicious activity, these
credentials effectively bypass perimeter security
and complicate detection.
• The risk posed by a compromised credential varies
with the level of access it provides.
8. Compromised Credentials
continues
• Privileged access credentials, which give administrative
access to devices and systems, typically pose a higher
risk to the enterprise than consumer credentials.
Servers, network devices and security tools often have
passwords that enable integration and communication
between devices.
In the hands of an intruder, these machine-to-machine
credentials can allow movement throughout the
enterprise, both vertically and horizontally, giving
almost unfettered access.
9. How to avoid it
1. The enterprise should have effective password policies that
ensure suitable password strength. it is
because common usernames and weak passwords can lead
to compromised credentials,
2. Do not reuse the same password to access multiple app and
system. Password sharing across services makes all
applications that share credentials vulnerable as a
consequence of the breach of one service or application in
the cohort.
3. Using two-factor authentication via a trusted second factor
can reduce the number of breaches that occur due to
compromised credentials within an organization.
10. 2. Weak and Stolen Credentials
• Weak passwords and password reuse make credential exposure a
gateway for initial attacker access and propagation.
Recent malware attacks such as Mirai highlight this threat not
only for managed devices but also IoT connected devices.
• Apps and protocols sending login credentials over your network
pose a significant security threat.
An attacker connected to your network can easily locate and
utilize these credentials for lateral movement.
For example, in the Target attack, adversaries were able to steal
Active Directory credentials and propagate their attack into the
enterprise payment network.
11. How to avoid
• Track password hygiene and use across your entire
enterprise to identify high risk users and their
devices
12. 3. Malicious Insiders
• A malicious insider is an employee who exposes
private company information and/or exploits
company vulnerabilities.
• Malicious insiders are often unhappy employees.
• Users with access to sensitive data and networks
can inflict extensive damage through privileged
misuse and malicious intent.
13. How to avoid it
• Keep an eye out for disgruntled employees
• and monitor data and network access for every
device and user to expose insider risk.
14. 4. Missing or Poor Encryption
• Data encryption translates data into another form that only
people with access to a secret key or password can read.
• The purpose of data encryption is to protect digital data
confidentiality as it is stored on computer systems and
transmitted using the internet or other computer networks.
Strong encryption must be applied to data at rest, in-motion, and
where suitable, in-processing.
• Missing / poor encryption leads to sensitive information including
credentials being transmitted either in plaintext, or using weak
cryptographic ciphers or protocols
• This implies that an adversary intercepting data storage,
communication, or processing could get access to sensitive data
using brute-force approaches to break weak encryption.
15. How to avoid it
• Don’t rely solely on low-level encryption or assume
that following compliance means that the data is
securely encrypted.
• Ensure that sensitive data is encrypted at rest, in-
transit, and in processing.
16. 5. Misconfiguration
• Misconfiguration is when there is an error in system
configuration.
• For example, if setup pages are enabled or a user
uses default usernames and passwords, this can lead
to breaches.
• With setup/app server configuration not disabled,
the hacker can determine hidden flaws, and this
provides them with extra information.
• Misconfigured devices and apps present an easy
entry point for an attacker to exploit.
17. How to avoid it
• Put procedures and systems in place that tighten
your configuration process and use automation
wherever possible.
• Monitoring application and device settings and
comparing these to recommended best practices
reveals the threat for misconfigured devices located
across your network.
18. 6. Ransomware
• Ransomware is a form of cyber-extortion in which
users are unable to access their data until a ransom
is paid.
• Users are shown instructions for how to pay a fee
to get the decryption key.
• The costs can range from a few hundred dollars to
thousands, payable to cybercriminals in Bitcoin.
19. How to avoid it
• Make sure you have systems in place that protect
all your devices from ransomware including keeping
your operating system patched and up-to-date to
ensure you have fewer vulnerabilities to exploit and
not installing software or giving it administrative
privileges unless you know exactly what it is and
what it does.
20. 7. Phishing
• Phishing is a cybercrime tactic in which the targets
are contacted by email, telephone or text message by
someone posing as a legitimate institution to lure
individuals into providing sensitive data such as
personally identifiable information, banking and
credit card details, and passwords.
• Itsn one of the most effective social engineering
attack vectors. Some phishing schemes are incredibly
intricate and can sometimes look completely
innocent
21. How to avoid it
• Measuring web browsing and email click-through
behavior for users and devices provides valuable
risk insight for your enterprise.
• When in doubt, it’s best to call the organization you
received the email from to determine if it is a
phishing scam or not.
22. 8. Trust Relationships it
• Trust relationships refer to a certain level of trust
that exists between users and systems.
• For example, trust relationships can connect two
domains, so a user only has to log in once in order
to access resources.
• The two domains in a trust relationship are the
trusted domain (the domain that authenticates the
user the first time), and the trusting domain (the
domain that relies on the trusted domain to
authenticate users and gives access to its resources
without re-authenticating the user).
23. Continues.....
• One common breach scenario example is when
credentials are cached on the trusted client, which
then gets breached, wreaking havoc.
How to avoid it
• Managing trust relationships can help you limit or
eliminate the impact or damage an attacker can
inflict.
• Google’s BeyondCorp is an example of zero-trust
security practice.
24. Typical symptoms of attack
• Increased CPU usage
• Slow computer or web browser speeds
• Problems connecting to networks
• Freezing or crashing
• Modified or deleted files
• Appearance of strange files, programs, or desktop
icons
• Programs running, turning off, or reconfiguring
themselves (malware will often reconfigure or turn off
antivirus and firewall programs)
25. Typing symptoms of attack
• Strange computer behavior
• Emails/messages being sent automatically and without
user’s knowledge (a friend receives a strange email from
you that you did not send)
• There seems to be a lot of network activity when you are
not using the network
• The available memory on your computer is lower than it
should be
• Programs or files appear or disappear without your
knowledge
• File names are changed
26. Consequences of successful attack.
• It compromises computer security goal which is
confidentiality, Integrity and availability to the
legitimate users