![Ashley Madison](https://img.helpnetsecurity.com/wp-content/uploads/2017/04/09104519/ashley-madison-400x200.jpg)
Ashley Madison users blackmailed again
Criminals are still trying to shake down users of the Ashley Madison dating/cheating online service. As you might remember, the service was hacked in 2015, and the attackers …
![SquirrelMail](https://img.helpnetsecurity.com/wp-content/uploads/2017/04/09104521/squirrelmail-400x200.jpg)
SquirrelMail opens users to remote code execution
Users of open source webmail software SquirrelMail are open to remote code execution due to a bug (CVE-2017-7692) discovered independently by two researchers. “If the …
![bomb](https://img.helpnetsecurity.com/wp-content/uploads/2016/05/09112750/bomb-400x200.jpg)
Phishing attacks responsible for three-quarters of all malware
With phishing now widely used as a mechanism for distributing ransomware, a new NTT Security reveals that 77% of all detected ransomware globally was in four main sectors – …
![Globe](https://img.helpnetsecurity.com/wp-content/uploads/2016/04/09113112/hand-globe-400x200.jpg)
Behavioural profiling: Spotting the signs of cyber attacks and misuse
Behavioural profiling is increasingly recognised as a new level of protection against cyber attacks and systems abuse, offering the potential to pick out new and unknown …
![users](https://img.helpnetsecurity.com/wp-content/uploads/2016/05/09112441/users-400x200.jpg)
Security skills need to be deep and wide to mitigate critical risks
Businesses recognize security as a growing imperative, but many remain on the defensive, fighting cyber threats with dated tactics and training, according to CompTIA. …
BrickerBot bricked 2 million IoT devices, its author claims
The author of BrickerBot, which “bricks” IoT devices by rewriting the flash storage space and wiping files, has emerged to explain that the malware first attempts …
![](https://img.helpnetsecurity.com/wp-content/uploads/2016/08/09111112/ransomware-400x200.jpg)
Locky ransomware makes a comeback, courtesy of Necurs botnet
The Necurs botnet has, once again, begun pushing Locky ransomware on unsuspecting victims. The botnet, which flip-flops from sending penny stock pump-and-dump emails to …
![NSA](https://img.helpnetsecurity.com/wp-content/uploads/2015/04/09194610/nsa-400x200.jpg)
Tens of thousands Windows systems implanted with NSA’s DoublePulsar
Has your Windows machine been implanted with NSA’s DoublePulsar backdoor? If you haven’t implemented the security updates released by Microsoft in March, chances …
![botnet](https://img.helpnetsecurity.com/wp-content/uploads/2016/05/09112808/botnet-jaku-400x200.jpg)
Alleged Kelihos botmaster indicted
36-year-old Pyotr Levashov was charged on Friday in the US with one count of causing intentional damage to a protected computer, one count of conspiracy, one count of …
![prison](https://img.helpnetsecurity.com/wp-content/uploads/2016/09/09110740/prison-400x200.jpg)
Russian carding industry pioneer sentenced to 27 years in prison
32-year-old Roman Valeryevich Seleznev, aka Track2, has been handed the longest US hacking sentence to date: 27 years in prison. He was convicted in August 2016, of 38 counts …
![abstract, generic](https://img.helpnetsecurity.com/wp-content/uploads/2016/10/09110119/abstract5-400x200.jpg)
Week in review: Open source security threats, secure C++ coding
Here’s an overview of some of last week’s most interesting news and articles: Will blockchain liability be similar to Bitcoin liability? Blockchain can be used for …
![hand](https://img.helpnetsecurity.com/wp-content/uploads/2017/02/09105157/hand-400x200.jpeg)
What motivates youngsters to get into cybercrime?
A UK National Crime Agency report, which is based on debriefs with offenders and those on the fringes of criminality, explores why young people assessed as unlikely to commit …
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