Proof-of-concept code has been released to exploit a severe Citrix vulnerability present in tens of thousands of enterprises. Citrix says it's developing permanent patches but that enterprises should use its mitigation guidance. In the meantime, attackers are hunting for vulnerable machines.
The gang behind Maze ransomware has begun publicly identifying its victims and listing data that it exfiltrated from systems before leaving them crypto-locked. The intent is clear: By naming and shaming victims, the Maze gang is trying to compel them to pay.
Many ransomware-wielding attackers continue to hack into organizations via remote desktop protocol. But some Sodinokibi ransomware-as-a-service affiliates have shifted instead to targeting victims via botnets, saying hackers' use of RDP exploits has grown too common.
Sodinokibi/REvil appears to be making millions since it seized the ransomware-as-a-service mantle from GandCrab earlier this year. Security firm McAfee says up to 40 percent of every victim's ransom payment - average: $4,000 - gets remitted to the Sodinokibi actor, with "affiliates" keeping the rest.
Private-equity firm Thoma Bravo, which already has stakes in several cybersecurity companies, plans to buy U.K.-based security company Sophos in a $3.9 billion deal, the two companies announced Monday. The Sophos board will "unanimously recommend" the sale to shareholders, the company says.
Nation-state attackers have been targeting known flaws that customers have yet to patch in their Pulse Secure, Palo Alto and Fortinet VPN servers, Britain's National Cyber Security Center warns, adding that any organization that didn't immediately apply patches should review logs for signs of hacking.
The city of Baltimore's ransomware outbreak - $18 million in costs and counting - led to many crypto-locked files being lost forever, because no IT policy mandated centralized file backups. But effective IT solutions exist to help solve this challenge, provided they're deployed in advance of an attack.
Artificial intelligence technologies that provide surveillance capabilities can have upsides as well as downsides. Unfortunately, as developers and governments rush to experiment, security, privacy, data protection and liability questions remain unanswered.
Ahead of the release of Edward Snowden's memoirs chronicling his decision to bring illegal "big data" domestic U.S. surveillance programs to light, a former NSA intelligence specialist points out that the U.S. still lacks a whistleblowing law to protect intelligence workers who spot illegal activity.
Do criminal organizations prefer to target organizations that hold cyber insurance policies? A ProPublica report suggests that because cyber insurance policyholders are more likely to pay ransoms, they're a more frequent target. But some cybersecurity experts have expressed skepticism.
Organizations need to create a "defensible" cybersecurity program that has a mandate and executive endorsement, says Gartner's Tom Scholtz. I. Here are some points to keep in mind when drafting a program.
The promise of cloud and mobility is to provide access to key services quickly and from anywhere at any time from any device. Zscaler's Lisa Lorenzin opens up on zero trust network access technologies, which provide a secure alternative to legacy methods.
Déjà vu basic cybersecurity challenge all over again: With the U.S. government warning that geopolitical tensions could trigger wiper-attack reprisals, security experts review the basic anti-wiper - and anti-ransomware - defenses organizations should already have in place.
Together with President Donald Trump and the EU Copyright Directive, the U.K's Internet Services Providers' Association has nominated Mozilla as one of its three nominees for "internet villain" of the year. Its purported crime has been to advance a more secure version of the domain name system.
Visibility, or a lack thereof, continues to challenge organizations as they attempt to protect their businesses by knowing which systems, applications and data they have, says AlgoSec's Jeffrey Starr. He discusses how centralized visibility, control and automation can help.