The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new phishing campaign in which the cybersecurity agency itself was impersonated to distribute a remote administration tool known as AGEWHEEZE. As part of the attacks, the threat actors, tracked as UAC-0255, sent emails on March 26 and 27, 2026, posing as CERT-UA to distribute a password-protected ZIP archive

A multi-pronged phishing campaign is targeting Spanish-speaking users in organizations across Latin America and Europe to deliver Windows banking trojans like Casbaneiro (aka Metamorfo) via another malware called Horabot. The activity has been attributed to a Brazilian cybercrime threat actor tracked as Augmented Marauder and Water Saci. The e-crime group was first documented by Trend Micro in

Microsoft is calling attention to a new campaign that has leveraged WhatsApp messages to distribute malicious Visual Basic Script (VBS) files. The activity, beginning in late February 2026, leverages these scripts to initiate a multi-stage infection chain for establishing persistence and enabling remote access. It's currently not known what lures the threat actors use to trick users into

Google on Thursday released security updates for its Chrome web browser to address 21 vulnerabilities, including a zero-day flaw that it said has been exploited in the wild. The high-severity vulnerability, CVE-2026-5281 (CVSS score: N/A), concerns a use-after-free bug in Dawn, an open-source and cross-platform implementation of the WebGPU standard. "Use-after-free in Dawn in Google Chrome prior

Google has formally attributed the supply chain compromise of the popular Axios npm package to a financially motivated North Korean threat activity cluster tracked as UNC1069. "We have attributed the attack to a suspected North Korean threat actor we track as UNC1069," John Hultquist, chief analyst at Google Threat Intelligence Group (GTIG), told The Hacker News in a statement. "North Korean

Anthropic on Tuesday confirmed that internal code for its popular artificial intelligence (AI) coding assistant, Claude Code, had been inadvertently released due to a human error. "No sensitive customer data or credentials were involved or exposed," an Anthropic spokesperson said in a statement shared with CNBC News. "This was a release packaging issue caused by human error, not a security

Google on Monday said it's officially rolling out Android developer verification to all developers to combat the problem of bad actors distributing harmful apps while "hiding behind anonymity." The development comes ahead of a planned verification mandate that goes into effect in Brazil, Indonesia, Singapore, and Thailand this September, before it expands globally next year. As part of this

A high-severity security flaw in the TrueConf client video conferencing software has been exploited in the wild as a zero-day as part of a campaign targeting government entities in Southeast Asia dubbed TrueChaos. The vulnerability in question is CVE-2026-3502 (CVSS score: 7.8), a lack of integrity check when fetching application update code, allowing an attacker to distribute a tampered update,

Cybersecurity researchers have disclosed a security "blind spot" in Google Cloud's Vertex AI platform that could allow artificial intelligence (AI) agents to be weaponized by an attacker to gain unauthorized access to sensitive data and compromise an organization's cloud environment. According to Palo Alto Networks Unit 42, the issue relates to how the Vertex AI permission model can be misused

Chinese-speaking users are the target of an active campaign that uses typosquatted domains impersonating trusted software brands to deliver a previously undocumented remote access trojan named AtlasCross RAT. "The operation covers VPN clients, encrypted messengers, video conferencing tools, cryptocurrency trackers, and e-commerce applications, with eleven confirmed delivery domains impersonating

The popular HTTP client known as Axios has suffered a supply chain attack after two newly published versions of the npm package introduced a malicious dependency that delivers a trojan capable of targeting Windows, macOS, and Linux systems. Versions 1.14.1 and 0.30.4 of Axios have been found to inject "plain-crypto-js" version 4.2.1 as a fake dependency. According to StepSecurity, the two

A previously unknown vulnerability in OpenAI ChatGPT allowed sensitive conversation data to be exfiltrated without user knowledge or consent, according to new findings from Check Point. "A single malicious prompt could turn an otherwise ordinary conversation into a covert exfiltration channel, leaking user messages, uploaded files, and other sensitive content," the cybersecurity company said in

A new campaign has leveraged the ClickFix social engineering tactic as a way to distribute a previously undocumented malware loader referred to as DeepLoad. "It likely uses AI-assisted obfuscation and process injection to evade static scanning, while credential theft starts immediately and captures passwords and sessions even if the primary loader is blocked," ReliaQuest researchers Thassanai

Some weeks are loud. This one was quieter but not in a good way. Long-running operations are finally hitting courtrooms, old attack methods are showing up in new places, and research that stopped being theoretical right around the time defenders stopped paying attention. There's a bit of everything this week. Persistence plays, legal wins, influence ops, and at least one thing that looks boring

Cybersecurity researchers have discovered a remote access toolkit of Russian-origin that's distributed via malicious Windows shortcut (LNK) files that are disguised as private key folders. The CTRL toolkit, according to Censys, is custom-built using .NET and includes various executables" to facilitate credential phishing, keylogging, Remote Desktop Protocol (RDP) hijacking, and reverse tunneling

Three threat activity clusters aligned with China have targeted a government organization in Southeast Asia as part of what has been described as a "complex and well-resourced operation." The campaigns have led to the deployment of various malware families, including HIUPAN (aka USBFect, MISTCLOAK, or U2DiskWatch), PUBLOAD, EggStremeFuel (aka RawCookie), EggStremeLoader (aka Gorem RAT), MASOL

Threat actors with ties to Iran successfully broke into the personal email account of Kash Patel, the director of the U.S. Federal Bureau of Investigation (FBI), and leaked a cache of photos and other documents to the internet. Handala Hack Team, which carried out the breach, said on its website that Patel "will now find his name among the list of successfully hacked victims." In a statement

A recently disclosed critical security flaw impacting Citrix NetScaler ADC and NetScaler Gateway is witnessing active reconnaissance activity, according to Defused Cyber and watchTowr. The vulnerability, CVE-2026-3055 (CVSS score: 9.3), refers to a case of insufficient input validation leading to memory overread, which an attacker could exploit to leak potentially sensitive information. Per

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw impacting F5 BIG-IP Access Policy Manager (APM) to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is CVE-2025-53521 (CVSS v4 score: 9.3), which could allow a threat actor to achieve remote code execution. "When a

Proofpoint has disclosed details of a targeted email campaign in which threat actors with ties to Russia are leveraging the recently disclosed DarkSword exploit kit to target iOS devices. The activity has been attributed with high confidence to the Russian state-sponsored threat group known as TA446, which is also tracked by the broader cybersecurity community under the monikers Callisto,