Security news.
Latest security news from around the web.
[BleepingComputer]
A new campaign delivering the Atomic Stealer malware to macOS users abuses the Script Editor in a variation of the ClickFix attack that tricked users into executing commands in Terminal. [...]
[BleepingComputer]
CISA has given U.S. government agencies four days to secure their systems against a critical-severity vulnerability in Ivanti Endpoint Manager Mobile (EPMM) that has been exploited in attacks since January. [...]
[The Hacker News]
Cybersecurity researchers have flagged a new variant ofmalware called Chaosthat'scapable of hitting misconfigured cloud deployments, marking an expansion of the botnet's targeting infrastructure. "Chaos malware is increasingly targeting misconfigured cloud deployments, expanding beyond its traditional focus on routers and edge devices," Darktrace said in a new report.
[BleepingComputer]
Security researchers discovered a remote code execution (RCE) vulnerability in Apache ActiveMQ Classic that has gone undetected for 13 years and could be exploited to execute arbitrary commands. [...]
[The Hacker News]
Cybersecurity researchers have lifted the curtain on a stealthy botnet that's designed for distributed denial-of-service (DDoS) attacks. Called Masjesu, the botnet has been advertised via Telegram as a DDoS-for-hire service since it first surfaced in 2023. It's capable of targeting a wide range of IoT devices, such as routers and gateways, spanning multiple architectures. "Built for
[SecurityWeek]
A total of seven vulnerabilities, most of which can be exploited for DoS attacks, have been patched in OpenSSL. The post Data Leakage Vulnerability Patched in OpenSSL appeared first on SecurityWeek .
[SecurityWeek]
The vulnerability requires authentication for successful exploitation, but another flaw exposes the Jolokia API without authentication. The post RCE Bug Lurked in Apache ActiveMQ Classic for 13 Years appeared first on SecurityWeek .
[BleepingComputer]
A $30,000 AI GPU doesn't outperform consumer GPUs at password cracking. Specops explains why attackers don't need exotic hardware to break weak passwords. [...]
[The Hacker News]
The Russian threat actor known as APT28 (aka Forest Blizzard and Pawn Storm) has been linked to a fresh spear-phishing campaign targeting Ukraine and its allies to deploy a previously undocumented malware suite codenamed PRISMEX. "PRISMEX combines advanced steganography, component object model (COM) hijacking, and legitimate cloud service abuse for command-and-control," Trend Micro
[SecurityWeek]
The FBI received over 1 million complaints of malicious activity in 2025, with investment, BEC, and tech support scams causing the highest losses. The post FBI: Cybercrime Losses Neared $21 Billion in 2025 appeared first on SecurityWeek .
[SecurityWeek]
Signature Healthcare was forced to cancel some services, and pharmacies are unable to fill prescriptions due to the hacker attack. The post Massachusetts Hospital Diverts Ambulances as Cyberattack Causes Disruption appeared first on SecurityWeek .
[CISA Advisories]
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-1340 Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reduc…
[SecurityWeek]
Focused on persistence, the botnet does not engage in widespread infection and avoids blacklisted IPs and critical infrastructure entities. The post Evasive Masjesu DDoS Botnet Targets IoT Devices appeared first on SecurityWeek .
[The Hacker News]
The Fragmented State of Modern Enterprise Identity Enterprise IAM is approaching a breaking point. As organizations scale, identity becomes increasingly fragmented across thousands of applications, decentralized teams, machine identities, and autonomous systems. The result is Identity Dark Matter: identity activity that sits outside the visibility of centralized IAM and
[The Hacker News]
Artificial Intelligence (AI) company Anthropic announced a new cybersecurity initiative called Project Glasswing that will use a preview version of its new frontier model, Claude Mythos, to find and address security vulnerabilities. The model will be used by a small set of organizations, including Amazon Web Services, Apple, Broadcom, Cisco, CrowdStrike,&
[BleepingComputer]
Microsoft has pushed a server-side fix for a known issue that broke the Windows Start Menu search feature on some Windows 11 23H2 devices. [...]
[Krebs on Security]
Hackers linked to Russia's military intelligence units are using known flaws in older Internet routers to mass harvest authentication tokens from Microsoft Office users, security experts warned today. The spying campaign allowed state-backed Russian hackers to quietly siphon authentication tokens from users on more than 18,000 networks without deploying any malicious software or code.
[CISA Advisories]
View CSAF Summary Successful exploitation of these vulnerabilities could allow a local attacker to disclose SQL Server credentials used by the affected products and use them to disclose, tamper with, or destroy data, or to cause a denial-of-service (DoS) condition on the system. The following versions of Mitsubishi Electric GENESIS64 and ICONICS Suite products are affected: GENESIS64 <=10.97.3 …
[CISA Advisories]
Advisory at a Glance Title Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure Original Publication April 7, 2026 Executive Summary Iran-affiliated advanced persistent threat (APT) actors are conducting exploitation activity targeting internet-facing operational technology (OT) devices, including programmable logic controllers (PLCs) manufacture…
[CISA Advisories]
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-35616 - Fortinet FortiClient EMS Improper Access Control Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reduci…
[Krebs on Security]
An elusive hacker who went by the handle "UNKN" and ran the early Russian ransomware groups GandCrab and REvil now has a name and a face. Authorities in Germany say 31-year-old Russian Daniil Maksimovich Shchukin headed both cybercrime gangs and helped carry out at least 130 acts of computer sabotage and extortion against victims across the country between 2019 and 2021.
[CISA Advisories]
View CSAF Summary Hitachi Energy is aware of a Jasper Report vulnerability that affects the Ellipse product versions mentioned in this document below. This vulnerability can be exploited to carry out remote code execution (RCE) attack on the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation. The following versions of Hitachi Energy Ellipse …
[Krebs on Security]
A financially motivated data theft and extortion group is attempting to inject itself into the Iran war, unleashing a worm that spreads through poorly secured cloud services and wipes data on infected systems that use Iran's time zone or have Farsi set as the default language.
[Krebs on Security]
The U.S. Justice Department joined authorities in Canada and Germany in dismantling the online infrastructure behind four highly disruptive botnets that compromised more than three million hacked Internet of Things (IoT) devices, such as routers and web cameras. The feds say the four botnets -- named Aisuru, Kimwolf, JackSkid and Mossad -- are responsible for a series of recent record-smashing dis…
[Krebs on Security]
A hacktivist group with links to Iran's intelligence agencies is claiming responsibility for a data-wiping attack against Stryker, a global medical technology company based in Michigan. News reports out of Ireland, Stryker's largest hub outside of the United States, said the company sent home more than 5,000 workers there today. Meanwhile, a voicemail message at Stryker's main U.S. headquarters sa…