IPsec VPN Security

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  • Wireless security crucial to railway safety

    A transportation firm uses wireless technology to keep the trains running on time. But securing mobile devices isn't easy when they're spread across the globe. 

  • Quiz: IPsec vs. SSL VPNs

    Test your knowledge of IPsec and SSL VPNs with this quiz, and click through to our additional resources to help you determine which technology best suits your organization's needs. 

  • IPsec vs. SSL VPNs quiz answers


  • IPsec-related flaw could yield new round of attacks

    Attackers could exploit a vulnerability in a security protocol widely used in VPNs to cause a denial of service or buffer overflows, or to launch malicious code. 

  • IPsec and SSL VPNs: Solving remote access problems

    Learn how to solve remote access problems in this Information Security Decisions presentation by security expert Joel Snyder. 

  • Review: Aventail's 'Smart Tunneling' enhances VPN

    The EX-1500 SSL VPN appliance offers a high level of security, using network layer transport, and strong and granular upper-layer policy and access control. 

  • How to repair a compromised VPN

    Peer advice on how to repair a VPN's Routing and Remote Access console after the network has been compromised by a DoS attack. 

  • Is IPsec on borrowed time?

    IT professionals say SSL VPN connections are easier to secure and manage than their IPsec counterparts. But don't count IPsec out just yet. 

  • Crypto basics: VPNs

    In this excerpt of Chapter 3 from "Cryptography for Dummies," author Chey Cobb explains how virtual private networks (VPNs) use encryption to secure data in transit. 

  • Remote access as an attack vector

    In this excerpt of Chapter 7 from "The Black Book on Corporate Security," authors Howard Schmidt and Tony Alagna analyze how "unmanaged" remote access can serve as an attack vector.