NotPetya was not as bad as WannaCry, despite NotPetya being even more sophisticated, and targeting the same EternalBlue flaw that had allowed WannaCry to spread far and fast. Microsoft says NotPetya's builders limited its attack capabilities by design.
As the count of NotPetya victims grows, Ukraine warns that it's also being targeted with a new WannaCry lookalike that hit state power distributor Ukrenergo. Security researchers say that marks the fourth recent campaign targeting Ukraine that's based on lookalike ransomware.
A massive, global ransomware outbreak has been hitting airports, banks, shipping firms and other businesses across Europe and beyond. Security experts say the apparent Petya variant appears to spread in part by exploiting the "EternalBlue" SMB flaw in Windows, previously targeted by WannaCry.
How can a supercomputer help enterprise security teams respond to today's evolving threat landscape? Martin Borrett of IBM and Ronan Murphy of Smarttech discuss the promise and impact of Watson for Cyber Security.
Members of Parliament in Britain have had their remote email access suspended following an apparent brute-force hack attempt aimed at exploiting weak passwords to gain access to their accounts. Officials say fewer than 90 email accounts appear to have been breached.
Worried about the use of encryption by terrorists, Australia plans to lobby its key signal intelligence partners at a meeting in Canada for the creation of new legal powers that would allow access to scrambled communications. But Australia says it doesn't want backdoors. So what does it want?
The back story behind the ransom attack that led to the unauthorized early release of the Netflix series "Orange Is the New Black" is a cautionary tale in dealing with cyber extortionists such as The Dark Overlord.
Good news: Exploits kits are in decline, thanks to concerted efforts to disrupt their efficacy. Unfortunately, criminals are diversifying their attacks, focusing more on social engineering - including tech-support scams - and malicious spam campaigns.
South Korean web hosting firm Nayana has agreed to pay attackers a record-shattering $1 million to unlock 153 Linux servers crypto-locked by ransomware. Security researchers say the infection was likely exacerbated by the company running ancient versions of the Linux kernel, as well as Apache and PHP.
A new dump from WikiLeaks has revealed an apparent CIA project - code named "CherryBlossom" - that since 2007 has used customized, Linux-based firmware covertly installed on business and home routers to monitor internet traffic and exploit targets' devices.
Microsoft fears that nation-state actors may unleash viral code that could devastate users. On Tuesday, it released software fixes again for its older operating systems in hopes of averting a repeat of last month's infection of tens of thousands of computers with ransomware.
As the cyber threat landscape dramatically changes and cybercriminals become more innovative, organizations in all business sectors need to change their detection and defense strategies, says Tarun Kaura, Symantec's director of solution product management for Asia Pacific and Japan.