A new report from Akamai Technologies shows that hackers appear to be increasingly using the Telnet remote access protocol to attack corporate servers over mobile networks.
Akamai, which specializes in managing content and Web traffic, issues quarterly reports on Internet traffic trends. The latest report, which covers the third quarter of 2010, shows that 10 percent of attacks that came from mobile networks are directed at Port 23, which Telnet uses. That marks a somewhat unusual spike for the aging protocol.

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