The Hacker News

Threat actors of unknown provenance have been attributed to a malicious campaign predominantly targeting organizations in Japan since January 2025. "The attacker has exploited the vulnerability CVE-2024-4577, a remote code execution (RCE) flaw in the PHP-CGI implementation of PHP on Windows, to gain initial access to victim machines," Cisco Talos researcher Chetan Raghuprasad said in a technical

Elastic has rolled out security updates to address a critical security flaw impacting the Kibana data visualization dashboard software for Elasticsearch that could result in arbitrary code execution. The vulnerability, tracked as CVE-2025-25012, carries a CVSS score of 9.9 out of a maximum of 10.0. It has been described as a case of prototype pollution. "Prototype pollution in Kibana leads to

The financially motivated threat actor known as EncryptHub has been observed orchestrating sophisticated phishing campaigns to deploy information stealers and ransomware, while also working on a new product called EncryptRAT. "EncryptHub has been observed targeting users of popular applications, by distributing trojanized versions," Outpost24 KrakenLabs said in a new report shared with The

The threat actors behind the Medusa ransomware have claimed nearly 400 victims since it first emerged in January 2023, with the financially motivated attacks witnessing a 42% increase between 2023 and 2024. In the first two months of 2025 alone, the group has claimed over 40 attacks, according to data from the Symantec Threat Hunter Team said in a report shared with The Hacker News. The

Cyber threats are growing more sophisticated, and traditional security approaches struggle to keep up. Organizations can no longer rely on periodic assessments or static vulnerability lists to stay secure. Instead, they need a dynamic approach that provides real-time insights into how attackers move through their environment. This is where attack graphs come in. By mapping potential attack paths

Over 1,000 websites powered by WordPress have been infected with a third-party JavaScript code that injects four separate backdoors. "Creating four backdoors facilitates the attackers having multiple points of re-entry should one be detected and removed," c/side researcher Himanshu Anand said in a Wednesday analysis. The malicious JavaScript code has been found to be served via cdn.csyndication[

The U.S. Department of Justice (DoJ) has announced charges against 12 Chinese nationals for their alleged participation in a wide-ranging scheme designed to steal data and suppress free speech and dissent globally. The individuals include two officers of the People's Republic of China's (PRC) Ministry of Public Security (MPS), eight employees of an ostensibly private PRC company, Anxun

The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks. That's according to new findings from the Microsoft Threat Intelligence team, which said the Silk Typhoon (formerly Hafnium) hacking

USB drive attacks constitute a significant cybersecurity risk, taking advantage of the everyday use of USB devices to deliver malware and circumvent traditional network security measures. These attacks lead to data breaches, financial losses, and operational disruptions, with lasting impacts on an organization's reputation. An example is the Stuxnet worm discovered in 2010, a malware designed to

The threat actor known as Dark Caracal has been attributed to a campaign that deployed a remote access trojan called Poco RAT in attacks targeting Spanish-speaking targets in Latin America in 2024. The findings come from Russian cybersecurity company Positive Technologies, which described the malware as loaded with a "full suite of espionage features." "It could upload files, capture screenshots