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 watchdog agency's annual security review of the Department of Veterans Affairs, the nation's largest healthcare provider, makes 33 recommendations for how the VA can address a variety of continuing vulnerabilities, but only three of them are new. What are the latest concerns?
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.
A ransomware attack on a provider of oxygen therapy has resulted in the second largest health data breach posted on the HHS tally so far this year. It's the largest ransomware-related incident listed on the "wall of shame."
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 data analytics firm aligned with the Republican Party says it accepts "full responsibility" after it exposed online a list that includes virtually all U.S. voter registration records along with extensive research that attempts to guess people's political views.