Vulnerability | Breaking Cybersecurity News | The Hacker News

Another week in cybersecurity. Another week of "you've got to be kidding me." Attackers were busy. Defenders were busy. And somewhere in the middle, a whole lot of people had a very bad Monday morning. That's kind of just how it goes now. The good news? There were some actual wins this week. Real ones. The kind where the good guys showed up, did the work, and made a dent. It doesn't always happen, so when it does, it's worth noting. The bad news? For every win, there's a fresh headache waiting right behind it. New tricks, old tricks dressed up in new clothes, and a few things that'll make you want to go touch grass and never log back in. But you will. We all do. So here's everything that mattered this week — the wins, the warnings, and the stuff you really shouldn't ignore. ⚡ Threat of the Week Tycoon 2FA and LeakBase Operations Dismantled — The infrastructure hosting the Tycoon2FA service, which Europol said was among the largest advers...

OpenAI on Friday began rolling out Codex Security , an artificial intelligence (AI)-powered security agent that's designed to find, validate, and propose fixes for vulnerabilities. The feature is available in a research preview to ChatGPT Pro, Enterprise, Business, and Edu customers via the Codex web with free usage for the next month. "It builds deep context about your project to identify complex vulnerabilities that other agentic tools miss, surfacing higher-confidence findings with fixes that meaningfully improve the security of your system while sparing you from the noise of insignificant bugs," the company said . Codex Security represents an evolution of Aardvark⁠ , which OpenAI unveiled in private beta in October 2025 as a way for developers and security teams to detect and fix security vulnerabilities at scale. Over the last 30 days, Codex Security has scanned more than 1.2 million commits across external repositories over the course of the beta, identifying ...

Anthropic on Friday said it discovered 22 new security vulnerabilities in the Firefox web browser as part of a security partnership with Mozilla. Of these, 14 have been classified as high, seven have been classified as moderate, and one has been rated low in severity. The issues were addressed in Firefox 148 , released late last month. The vulnerabilities were identified over a two-week period in January 2026. The artificial intelligence (AI) company said the number of high-severity bugs identified by its Claude Opus 4.6 large language model (LLM) represents "almost a fifth" of all high-severity vulnerabilities that were patched in Firefox in 2025. Anthropic said the LLM detected a use-after-free bug in the browser's JavaScript after "just" 20 minutes of exploration, which was then validated by a human researcher in a virtualized environment to rule out the possibility of a false positive. "By the end of this effort, we had scanned nearly 6,000 C++ ...

New research from Broadcom's Symantec and Carbon Black Threat Hunter Team has discovered evidence of an Iranian hacking group embedding itself in several U.S. companies' networks, including banks, airports, non-profit, and the Israeli arm of a software company. The activity has been attributed to a state-sponsored hacking group called MuddyWater (aka Seedworm). It's affiliated with the Iranian Ministry of Intelligence and Security (MOIS). The campaign is assessed to have begun in early February, with recent activity detected following U.S. and Israeli military strikes on Iran . "The software company is a supplier to the defense and aerospace industries, among others, and has a presence in Israel, with the company's Israel operation seeming to be the target in this activity," the security vendor said in a report shared with The Hacker News. The attacks targeting the software company, as well as a U.S. bank and a Canadian non-profit, have been found to p...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added two security flaws impacting Hikvision and Rockwell Automation products to its Known Exploited Vulnerabilities ( KEV ) catalog, citing evidence of active exploitation. The critical-severity vulnerabilities are listed below - CVE-2017-7921 (CVSS score: 9.8) - An improper authentication vulnerability affecting multiple Hikvision products that could allow a malicious user to escalate privileges on the system and gain access to sensitive information.  CVE-2021-22681 (CVSS score: 9.8) - An insufficiently protected credentials vulnerability affecting multiple Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000, and Logix Controllers that could allow an unauthorized user with network access to the controller to bypass the verification mechanism and authenticate with it, as well as alter its configuration and/or application code. The addition of CVE-2017-7921 to the KEV catalog comes more...