Spammers+sophos+zombie

Showing results 1 to 16 of 16

Spammers break Microsoft Live Hotmail CAPTCHA...again

The latest version of Microsoft Live Hotmail's CAPTCHA authentication system has been broken, reports InfoWorld via security company Websense.According to a detailed analysis of the latest hack by Websense, spammers have come up with a new scheme to fool the CAPTCHA:The process starts in the same way as did previous CAPTCHA-breaking attacks, using bot-controlled zombie PCs under remote control to fill in the main fields - name, password, country - asked for by Hotmail during signup.

February 17, 2009 by

Beware of bogus Microsoft security bulletins

Organisations are being warned to be on the lookout for fake Microsoft security bulletins which spammers sent out yesterday to thousands of companies in the US and the UK.Security vendor Sophos said the bogus bulletins were sent via e-mails with the subject line "Microsoft Security Bulletin MS07-0065".

June 27, 2007 by

Spam 'research project' run by spammers?

Antivirus firm Sophos suspects that spammers have, under the guise of a 'sociological research project', been harvesting e-mail addresses for future campaigns.Sophos warned on Friday than an e-mail campaign asking recipients to forward all their chain mail e-mail claims to a researcher called Gemma, is actually a scam most likely set up by spammers to harvest live e-mail addresses.

September 14, 2006 by

Bird flu fears in ANZ exploited by spammers

Spammers are exploiting fears of a bird flu epidemic in Australia and New Zealand by offering stock market tips for companies that could make money from an epidemic and selling bogus flu medicine.Anti-virus firm Sophos reported on Wednesday that the company's spam filters in Australia and New Zealand are picking up an increasing volume of spam offering investment advice about companies that have apparently created products that protect against bird flu and SARS.

October 25, 2005 by

Sophos hunts down zombie systems

Antivirus specialist Sophos launched a service on Wednesday called ZombieAlert that uses spam traps to find unsolicited e-mail messages originating from supposedly 'protected' computers.Paul Ducklin, head of technology for Sophos Asia-Pacific, said the ZombieAlert service uses a large amount of 'spam traps' that are configured so they are unlikely to receive legitimate messages.

July 14, 2005 by

Lycos antispam campaign bites the dust

The zombie army created by Lycos screen savers to attack spammers' Web sites has been dismantled.The controversial attempt to attack spammers by bombarding their web sites with traffic from thousands of individual PCs is over.

December 6, 2004 by

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