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Understanding VMware ESXi hypervisor security features

The VMware ESXi hypervisor, particularly its kernel, offer several security features vital to a secure VMware cloud environment. Virtualization expert Paul Henry reviews the different levels of ESXi security.


Microsoft, rivals challenge U.S. government over cloud data privacy

Microsoft's refusal to give the U.S. government customer emails stored in Ireland will likely have implications for enterprise cloud data privacy and security.


IPv6 extension headers and security: Analyzing the risk

IPv6 security expert Fernando Gont explains why IPv6 extension headers can inadvertently subvert security controls or foster denial-of-service conditions.

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How can forged certificates from trusted vendors be stopped?

Unauthorized certificates from trusted vendors have become a big Internet security concern. Expert Michael Cobb discusses how to stay protected against this threat.

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  • Security Testing and Ethical Hacking

    Sony's hack response: Is it ethical?

    News roundup: Amid a devastating breach incident Sony Pictures is fighting back, raising legal and ethical questions. Plus: A big week in security acquisitions; Comcast sued over open Wi-Fi; and Yahoo announces vulnerability disclosure policy.

  • Malware, Viruses, Trojans and Spyware

    Sony Pictures hack worsens as extortion attempts emerge

    Among the new details uncovered this week, Sony executives received extortion emails just days before troves of the company's data were released online as part of a massive breach.

  • Security patch management and Windows Patch Tuesday news

    Light December Patch Tuesday caps hectic 2014

    Capping a busy year of software updates, Microsoft's December 2014 Patch Tuesday release delivers three critical bulletins; separately Adobe offers a pair of critical fixes.