Multiple security researchers have spotted threat actors already exploiting the Apache Log4j vulnerability by deploying Muhstik and Mirai botnets to target Linux devices. Their advice: Ensure to remove any existing compromise before patching, and expect this flaw to be exploited for the long term.
For many security teams, it's been all hands on deck since the Apache Log4j zero day vulnerability recently came to light. Experts say the flaw may be the most serious security vulnerability to have emerged in years, and organizations are now racing to identify their exposure and defenses they can deploy.
A massive wave of ongoing attacks has been targeting more than 1.6 million WordPress sites, researchers at Wordfence say. So far, they've counted more than 13.7 million individual attacks in just 36 hours, focused on exploiting four different WordPress plug-ins and several Epsilon framework themes.
Researchers have developed and released an urgent "vaccine" for a zero-day vulnerability detected in the Java logging library Apache Log4j on Friday. It is reported that the vulnerability is being exploited by advanced persistent threat-level actors.
How serious is the Apache Log4j zero-day vulnerability that was announced to the world on Friday? "It's big," says Sam Curry, chief security officer at Cybereason, which has developed a "vaccine" to help. "I hate hyperbole generally," Curry says. "But it is a 10 on the criticality scale."
A zero-day vulnerability detected in the Java logging library Apache Log4j can result in full server takeover and leaves countless applications vulnerable, according to security researchers, who say that the easily exploitable flaw was first detected in the popular game Minecraft.
A Nov. 16 ransomware attack on Frontier Software leaked "significant personal information" of thousands of South Australian government employees on the dark web, according to a Friday statement by Rob Lucas, treasurer of South Australia.
Ifigeneia Lella, cybersecurity officer at ENISA describes findings from the agency's Threat Landscape 2021 report, which assesses the motives, capabilities, targeting and evolution of four different types of threat actors: state-sponsored, cybercrime actors, hacker-for-hire actors and hacktivists.
A security flaw in Kafdrop, an open-source user interface and management interface for distributed event-streaming platform Apache Kafka, has exposed data of "major global players ... in healthcare, insurance, media and IoT," a report by cybersecurity company Spectral says.
A new Microsoft Teams feature makes it possible for employees to communicate with people outside the organization and vice versa through Teams. Security researchers believe the new update potentially opens up avenues for threat actors to target organizations through phishing attacks.
The FBI warns that the "Cuba" ransomware-wielding attackers have extorted $43.9 million in ransom payments from victims after compromising at least 49 organizations across five critical infrastructure sectors - financial services, government, healthcare, manufacturing and IT - since early November.
The U.S. Transportation Security Administration has issued new security directives for higher-risk freight railroads, passenger rail, and rail transit that it says will strengthen cybersecurity across the transportation sector in response to growing threats to critical infrastructure.
Japanese multinational conglomerate Panasonic has disclosed a security breach that it says involved unnamed threat actors accessing servers on its network. The company says it detected the breach on Nov. 11. It was determined that some data on a file server had been accessed during the intrusion.
Forrester's Sandy Carielli and Jeff Pollard discuss their latest research, Predictions 2022: Cybersecurity, Risk and Privacy, which highlights the need for gaps in third-party relationships, collaboration and trust to be addressed.
The Israeli government's Ministry of Defense reportedly has cut the list of countries to which Israeli companies’ cyber spyware can be exported from 102 to 37, reducing Israel's surveillance tool export market by two-thirds. The list specifically restricts doing business with those involved in offensive cyber.
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