Malware


Spammers Outsource CAPTCHA Decoding

Faced with stricter Internet security measures like CAPTCHAS, some spammers have begun
borrowing a page from corporate America’s playbook: they are
outsourcing. Read the full article. [The New York Times]


The UK’s National Health Service has been hit by a voracious,
data-stealing worm that’s easily detected by off-the-shelf security
software, according to researchers who directly observed the mass
compromise. Read the full article. [The Register]

A new version of the data-stealing trojan Zeus is for the first time able to successfully exploit Mozilla’s Firefox browser to commit sophisticated online banking fraud. Read the full article. [Secure Computing]

How many botnets are there? Symantec says 6.8 million, but a former Symantec executive at Immunet and a key creator of the Internet Security Threat Report says his former company is off by several magnitudes of order. Gunter Ollmann of Damballa concurs with Immunet and puts the numbers between 19 and 24 million. Read the full article. [The Last Watchdog]