SecurityRI Wifi Security / Secure your Network
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This Slide share will help you understand WiFi security and how it works. Also, a few touch points on Network Segregation, Content Filtering, Password / Sharing Policies, etc.
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This document discusses various wireless network security threats such as war driving, rogue access points, man-in-the-middle attacks, and denial-of-service attacks. It also explains the evolution of wireless security protocols from WEP to WPA and WPA2. WEP was the initial standard but had flaws that allowed the key to be cracked easily. WPA was an interim solution that added features to strengthen WEP, while WPA2 fully implements the ratified IEEE 802.11i standard and is considered the current best practice using AES encryption. The document also warns that the Wi-Fi Protected Setup standard has a security flaw and its use should be disabled.
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This document discusses techniques for cracking WiFi passwords, including:
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4. Recommending strong password practices to prevent cracking, such as using long, random passwords with symbols and numbers.
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1. Set up a virtual machine using VMware to securely run Backtrack 5 R3, an operating system for digital forensics and penetration testing.
2. Connect an external Wi-Fi receiver to the virtual machine and use airodump-ng to search for Wi-Fi networks, putting the adapter in monitor mode.
3. Use the Reaver tool to launch a brute force attack against any networks found using WPS to crack the WPA encryption key in 3 steps or less.
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This document discusses the history and evolution of wireless networking standards, including early versions like ALOHAnet, as well as common wireless encryption protocols like WEP, WPA, and WPA2. It explains how each standard works on a technical level and its weaknesses, such as WEP having only 24-bit initialization vectors that could be exhausted in a few hours, making it trivial to crack. Later standards like WPA and WPA2 aimed to fix these issues through techniques like dynamic session keys and stronger encryption algorithms to provide more secure wireless networking.
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+ What is Zigbee?
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+ Application Support Sublayer Security
Wireless Network Security
The document provides an overview of wireless network security, outlining common issues, threats, and security measures for wireless networks. It discusses standards and protocols like WEP, WPA, and WPA2 and provides practical tips for securing a wireless network, such as enabling encryption, changing default settings, and using firewalls. The document also briefly discusses future trends in wireless network security.
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This document provides an overview of computer networking concepts including:
- How networks globally connect devices and allow communication, learning, work and play (section 1.1)
- The differences between local area networks (LANs) and wide area networks (WANs), and how they interconnect with the Internet (section 1.2)
- The key requirements for reliable networks including fault tolerance, scalability, quality of service and security (section 1.3)
- Emerging trends that are changing networking like BYOD, online collaboration, video and cloud computing, and basic security threats and solutions (section 1.4)
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Firewall girija ppt
A firewall protects networks and computers from unauthorized access. There are two main types - software firewalls that protect individual computers, and hardware firewalls that protect entire networks. A firewall works by inspecting all incoming and outgoing data packets and determining whether to allow or block them based on a set of rules. Firewalls can block hackers, enforce security policies to protect private information, and log internet activity. However, firewalls cannot protect against insider threats, connections not routed through the firewall, or completely new viruses.
Wireless Networking Security
An open, unencrypted wireless network can 'sniff' or capture and record the traffic, gain unauthorized access to internal network resources as well as to the internet, and then use the information and resources to perform disruptive or illegal acts.Many laptop computers have wireless cards pre-installed. The ability to enter a network while mobile has great benefits. However, wireless networking is prone to some security. Wireless networks relatively easy to break into, and even use wireless technology to hack into wired networks.The risks to users of wireless technology have increased as the service has become more popular.As a result, it is very important that enterprises define effective wireless security policies that guard against unauthorized access to important resources.
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WiFi Intrustion Detection from WireShark SharkFest
Kismet is an open source wireless intrusion detection system that can be used to monitor wireless networks passively. It detects common attacks like jamming, impersonation, and client hijacking. However, it has limitations in fully secured networks using WPA-EAP and cannot prevent misuse of open networks. Effective wireless security requires using encrypted protocols like WPA2 and educating users, as well as monitoring for threats using tools like Kismet.
Wireless Security null seminar
Wireless Security
1) Introduction to WLAN Security
2) Wardriving
3) WPA / WPA2 PSK (Personal) Cracking
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With Voice-over-IP, secure calling becomes more and more important. In cooperation with snom, the next episode of our free webinar series discusses the importance of secure calling and how to implement it.
WPA3 - What is it good for?
Presented at NZISIG on Tuesday 26th February 2019.
"WPA3: What is it good for? (With a little bit of Bluetooth and a soupçon of GPS)"
I offered this talk to Purplecon but they didn't want it so you're getting it instead. Since it's been a few months I've added some other stuff on the end.
Overview of existing issues in WAP, WPA, WPA2 and WPS
Skateboarding dog story
WPA3 improvements:
- Password protection
- Preshared keys (Simultaneous Authentication of Equals - SAE)
- CNSA
- Opportunistic Wireless Encryption (OWE)
- Wifi Easy Connect
Bluetooth
- Direction finding
- End to end security
GPS
- 6th April could get interesting.
Attacking and Securing WPA Enterprise Networks
This document provides an overview of attacking WPA-Enterprise wireless networks. It discusses the history of wireless security including WEP and the development of WPA/WPA2. It then explains how 802.1X authentication works with EAP types like PEAP and TTLS. Specific misconfigurations of PEAP are demonstrated that could allow attackers to capture credentials by spoofing the network. Defensive techniques like validating certificates and hardening infrastructure/clients are recommended. Regular security assessments are advised to check vulnerabilities.
Similar to SecurityRI Wifi Security / Secure your Network (20)
DTS Solution - Wireless Security Protocols / PenTesting
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WiFi Intrustion Detection from WireShark SharkFest
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Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/
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SecurityRI Wifi Security / Secure your Network
- 1. Wi-Fi Security SECURE YOUR NETWORK WITH SECURITYRI.COM
- 2. History of Wireless Security •WEP – Wired Equivalency Privacy Can be broken easily. •WPA – Wi-Fi Protected Access Introduces TKIP – Temporal Key Integrity Protocol •WPA2-PSK – Wi-Fi Protected Access 2 – Pre-Shared Key Introduces AES - Advanced Encryption Standard
- 3. Public Wi-Fi Security Risks •Open / Unsecured Wi-Fi •Automatic connecting of your device to open/unsecured Wi-Fi •Is WPA2-PSK 100% secure? No, user must be aware of HTTP vs HTTPS and take advantage of VPNs. •Types of attacks Man in the middle Sniffing
- 4. How to Stay Secure Over Any Connection •Ask Management name of their Wi-Fi SSID – Service Set Identifier •HTTP vs HTTPS - Hyper Text Transfer Protocol Secure •VPN – Virtual Private Network Free and Paid
- 5. Network Segregation •Why does it matter? Separation of networks ensures no possible link between subnets. •Production user vs Guest user •How a wireless user can infiltrate the production network • What can they really see or access? Possible to see IP and MAC addresses. Remote Desktop possible if not secured. •Hide your production network SSID
- 6. Content Filtering •To Filter or Not to Filter? Production users = Yes. Guest access = No. •What to filter? Many websites can hinder productivity of employees and bring viruses into your workstations and some can even propagate to other network-connected devices. •How easy is it to implement? Very! Necessary licenses can be purchased with proper hardware in place.
- 7. Passwords and Sharing Policies •Secure your open network with a password •Give guest network unrelated password to production network •Post signs with guest Wi-Fi SSID and password
- 8. Optimize Bandwidth •Give Production users faster upload and download speeds •Restrict speeds for guest users •Have a completely separate internet service for guest users
- 9. Business-Class Networking Hardware •Network hardware: • Router/Firewall • Access Points and controlling server • Managed Switches • Server / Virtual Host
- 10. (401) 231-8130 / info@securityri.com