Tags imsi catchers

4G is vulnerable to same types of attacks as 3G, researchers say

by Sean Lyngaas • 2 weeks ago

As with the flaw-ridden protocol underlying 3G, the 4G protocol is susceptible to attacks that disclose mobile users’ information or impose a denial or service, according to new research.

DHS: 'Nefarious actors' could be exploiting SS7 flaw

by Sean Lyngaas • 1 month ago

The Department of Homeland Security has received reports that “nefarious actors” may be exploiting cellular communication vulnerabilities to spy on Americans, according to Chris Krebs, a senior DHS official.

Senator questions DHS about surveillance technology used in U.S. by foreign spies

by Zaid Shoorbajee • 8 months ago

A Senator is asking for the agency to provide information about foreign surveillance on U.S. soil.

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