Insider threats are difficult to counter. What happens when an employee goes rogue, and how do you catch them? Charles Carmakal of Mandiant, who says his firm is dealing with more insider threat investigations, shares tips for better defenses.
Ransomware-wielding attackers treat infecting endpoints as a business and put customer relationship management principles to work, says Bill Siegel, CEO of ransomware incident response firm Coveware. He notes criminals "go after the low-hanging fruit because it's cheap and the conversion rate is high."
Cybercriminals are "upping their game" by stealing and then auctioning off on the dark web administrative access credentials to healthcare organizations' clinician and patient portals, says Etay Maor of IntSights.
Two years after WannaCry wreaked havoc via flaws in SMB_v1 and three years after Mirai infected internet of things devices en masse via default credentials, attackers are increasingly targeting the same flaws, security experts warn.
Israel-based cyber-intelligence firm NSO Group, which has been accused of selling technology that enables governments to spy on citizens, is pledging to adopt human rights guidelines developed by the United Nations. But critics of the firm question whether its moves are meaningful.
As part of its September Patch Tuesday security update, Microsoft issued software fixes for two vulnerabilities in several versions of Windows that it says are being exploited by attackers in the wild. Security experts are urging IT teams to quickly patch these flaws.
The Pentagon and the Department of Energy are pitching new or revised cybersecurity capability maturity models to help their sectors prioritize cybersecurity investments and refine processes and controls. But should they defer to the NIST Cybersecurity Framework instead?
Earlier this year, intruders probed weaknesses in the network firewalls of a U.S. power utility to attempt a distributed denial-of-service attack, but there was no disruption in electricity service, according a recently released report. The incident illustrates potential weaknesses in the power grid.
Email server alert: Linux and Unix administrators should immediately patch a remotely exploitable flaw in Exim, one of the world's most-used message transfer agents, security experts warn. Attackers could abuse the flaw to deliver ransomware, spy on or spoof emails and possibly also take down cloud services.
Every week seems to bring a fresh installment of "patch or perish." But security experts warn that patch management, or the larger question of vulnerability management, must be part of a much bigger-picture approach to managing risk. And the challenge continues to get more complex.
A new weaponized proof-of-concept exploit for the BlueKeep vulnerability in Windows has been released by researchers at Rapid7 and Metasploit in an effort to help create a sense of urgency to patch the flaw.
Three weeks after a ransomware attack slammed 22 Texas municipalities' systems, state officials say more than half of the cities have returned to normal operations and the rest have advanced to system restoration. Meanwhile, officials have shared lessons learned for managed service providers and customers.
A hacking group known as APT5 - believed to be affiliated with the Chinese government - has been targeting serious flaws in Pulse Secure and Fortinet SSL VPNs for more than six weeks, security experts warn. Exploiting the flaws could enable attackers to gain full, remote access to targeted networks.
Schools in Flagstaff, Arizona, were closed on Thursday after ransomware appeared on the district's network. Friday's classes were called off while the recovery effort continued.
Bills now being considered in the Congress would make the Department of Homeland Security's Continuous Diagnostics and Mitigation Program available to all federal agencies and provide services to state and local governments to help them address cybersecurity challenges.
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