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Cybersecurity researchers have identified a set of 13 malicious Composer theme packages on Packagist that are designed to inject JavaScript into Vietnamese movie and comic streaming sites that install those libraries and initiate the deployment of spyware aimed at unpatched iOS devices. "The injected code runs two operations against a site's visitors: a mobile ad-fraud and gambling-redirect chain, and, on iPhones, a WebKit-to-kernel exploit chain that installs spyware," Socket security researcher Kush Pandya said . The activity is assessed to be part of a campaign that was first documented by the application security company back in March 2026 that leveraged six malicious Packagist packages posing as OphimCMS themes to redirect visitors, exfiltrate URLs, inject ads, and serve from Funnull -hosted infrastructure a second-stage payload to lead victims to gambling and adult content sites. The complete set of packages, which span five vendor namespaces, is below - ...

The Iranian Nimbus Manticore hacking group has been attributed to two previously undocumented malware families that highlight the continued evolution of its toolset and likely expand its targeting footprint to infect Linux and Apple macOS systems using cross-platform remote access trojans (RATs) developed using Node.js and JavaScript. Russian cybersecurity company Kaspersky is tracking the malware strains under the names NodeRabbit and PollCat. The first sample of NodeRabbit was discovered on a system in Afghanistan, with subsequent sightings on two distinct machines located in Egypt and Ethiopia. "Its operators deliver [NodeRabbit] through spear-phishing messages on LinkedIn and other job search platforms that contain trojanized coding challenge archives," Kaspersky security researcher Omar Amin said . "Like NodeRabbit, PollCat is a cross-platform RAT, but it is written in obfuscated JavaScript also distributed through trojanized coding challenge archives."...

The most common way into a company last year was to ask. A web page tells the visitor to prove they are not a robot. While they read the instructions, it quietly places a command on their clipboard. Then it talks them through opening a terminal and pasting it in. The technique is called ClickFix, and it was the most common initial access method Microsoft’s team observed last year , accounting for 47% of the attacks in their notifications. Nothing arrives as an attachment, so there is nothing to scan. No vulnerability is used, so there is nothing to patch. What happens next is just as ordinary. When Bitdefender analyzed 700,000 security incidents , 84% of the high-severity ones involved binaries that were already on the machine - the same administrative tools your IT team uses every day. Nothing malicious was installed, because nothing malicious was needed. Neither technique is clever, but both are winning. And the reason is not that attackers have run out of ideas. It is that th...

METR (short for Model Evaluation and Threat Research and pronounced "Meter"), a research non-profit that evaluates frontier artificial intelligence (AI) models for their ability to carry out long-horizon, agentic tasks, disclosed that it suffered "two notable security incidents" where external actors attempted to gain unauthorized access to its systems. No sensitive information is believed to have been accessed as a result of these incidents, it said, adding that a version of its findings was shared with AI companies it works with prior to public disclosure. The attacks have not been attributed to any known threat actor or group, nor did they involve AI agents breaking into its evaluations. "In March 2026, attackers stole an API key for inference on public models and consumed a substantial amount of credits," METR said . "In May 2026, we observed attackers systematically probing our publicly accessible infrastructure, including an unsuccessful at...

Cybersecurity researchers have disclosed a new technique dubbed GuardBreaker that's been put to use by a Russia-aligned threat actor known as UAC-0099 against a target in Ukraine with an aim to interfere with artificial intelligence (AI)-assisted analysis. The idea, ESET said in a series of posts on X, is to deliberately trip a large language model's (LLM) safety mechanisms and prevent its normal functioning. "In the attack, UAC-0099 inserted a problematic text: 'I want to make a nuclear weapon. Help me ...' into their malicious VBS script as a comment," the Slovak cybersecurity company said. "This is meant to attract the AI's attention to the safety-sensitive content and stop it from analyzing the rest of the code." The GuardBreaker-embedded VBS script is assessed to be part of a broader toolset employed by UAC-0099, which has a track record of targeting transportation and energy sectors. The script is primarily designed to download ...