[ad] Back in November there was a considerable drop in Spam when Spam friendly ISP McColo was cut off from the Internet by it’s upstream peer. Srizbi worm was pretty smart though and was picking up again by the end of November. Later in the year the botnets were somewhat neutralised leading to a huge […]
scammers
Scammers Using Asterisk VoIP Systems to Make Calls
[ad] It seems like ‘vishing‘ (basically Phishing – but utilising VoIP call services) as it’s known is getting bigger, especially since the scammers have been using a flaw in Asterisk systems that allows them to hijack the VoIP exchange. Older versions of Asterisk do have quite a number of serious flaws and it looks like […]
Spam Back on the Rise with Srizbi Resurrected
[ad] After McColo was partially disconnected from the Internet by it’s peers global spam dropped noticeably. It seems however that the spam was emanating from a zombie network and the control servers were hosted by McColo, the creators of the botnet (Srizbi) were smart about it though and built a fail-safe system into the the […]
Spam ISP McColo Cut Off From the Internet
[ad] You might recall we reported a while ago about ‘spam friendly’ ISP Intercage coming back online after having their plug pulled by upstream provider UnitedLayer. They pledged to clean up their act though and drop their biggest client who was an Eastern European malware and phishing host. This time another ISP has been suspected […]
Twitter Squatting – The New Domain Jacking?
[ad] It seems the latest target for spammers, opportunists and those into Domain Squatting is the registration of interesting or possibly valuable Twitter usernames. Twitter has exploded recently as a new ‘micro-blogging’ platform and it works really well, especially when combined with more traditional blogging and the host of tools that have been build around […]