Microsoft, in conjunction with Europol and the FBI, has successfully taken down the click fraud servers used by ZeroAccess, disrupting one of the world's largest and most resilient botnets.
New Jersey has slapped a million-dollar fine on an on-line gaming company that sneakily used its own anti-cheating software to mine Bitcoins on its customers' computers.
The company is paying under protest, claiming a "deep misunderstanding of the nature of our business."
The UK's National Crime Agency has put out a CryptoLocker ransomware alert - the malware is still a huge problem, even after weeks of high profile coverage.
Here's what YOU can do to help prevent it...
This article explains how the CryptoLocker ransomware works, including a short video showing you what it does.
The article tells you about prevention, cleanup, and recovery, and explains how to improve your security against this sort of threat in future.
Another calendar quarter is behind us, so it is once again time to wade into our spam traps and work out the latest SPAMPIONSHIP standings.
That's where we look at the sources of spam in order to calculate the Dirty Dozen spam sending countries.
Argentinian police have arrested a teenager, dubbed "the superhacker", who was allegedly bleeding $50,000 (£31,500) per month out of international money transfer and gambling websites.
Once every three months, we tot up our country-by-country spamtrap statistics for the previous quarter and calculate the Dirty Dozen.
Of course, this is one "competition" in which getting promoted into the Premier Division - the SPAMMIERSHIP - is a cause for disappointment, not jubilation...
Last week, Microsoft took aim at more than 1,400 Citadel botnets by sinkholing their command and control infrastructure.
What was the actual effect of this takedown? SophosLabs takes a look...
Graham Cluley argues that it's not cool, or funny, to hack into companies, expose the private information of members of the general public, and to launch denial of service attacks.
Four members of the notorious LulzSec hacking gang, who attacked websites belonging to the likes of the CIA, the NHS and the Serious Organised Crime Agency (SOCA), are due to be sentenced by the UK authorities.
One problem with network games: how do you trust the other people in the contest?
You could build a network that requires your customers to installed a special "cheat-blocker" client...
...and then use the client to mine Bitcoins.
If you have a web service that supports remote users, you will know that malevolent login attempts are an everyday occurrence.
But hosting providers worldwide are reporting an onslaught at well above average levels...
Award-winning security blogger Brian Krebs has shared details of his investigation into who might have been behind Flashback - which hit more than 600,000 Mac computers in early 2012
A botnet called "Chameleon" is said to be generating more than $6 million a month through bogus clicks on online adverts.
Find out more about how click fraud works.