Posts Tagged Wireless Network Protocols and Standards

2 results.

Crackers break GSM encryption, carriers consider new algorithms

Dec31
by wingman on December 31, 2009 at 13:09
Posted In: Protocols and Standards

Encrypted data on GSM-supported cell phones may not be as secure as previously thought after a widely known encryption expert presented research showing how hackers can poke holes in the algorithm to eavesdrop on calls.
Karsten Nohl, chief research scientist at H4RDW4RE, who asked hackers last summer to focus on cracking the widely used GSM encryption [...]

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Best practices: Block bad ICMP messages

Sep06
by wingman on September 6, 2009 at 17:17
Posted In: Hints & Tips

Takeaway: The ICMP protocol facilitates the use of important administrator utilities such as ping and traceroute, but it can also be manipulated by hackers to get a snapshot of your network. Learn what ICMP traffic to filter and what to allow.
This article originally appeared in the Security Solutions e-newsletter.
Although most network administrators do a fairly [...]

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