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The data theft extortion group likely compromised a critical vulnerability affecting PTC’s product lifecycle management software in June, a month before it sent threatening emails to victims. The post The long tail of Clop’s PTC hack is just beginning to emerge appeared first ...
Cloud providers typically expose a REST API at 169.254.169.254 that allows code running on virtual machines to retrieve machine-specific data. Some of the data is more or less harmless, such as the region the machine is running in or its MAC and IP addresses. However, the serv...
Huntress observed a 155x increase in password spraying attacks in H1 2026, including a campaign that generated more than 81 million login attempts in two weeks. The attacks exploited legacy authentication and gaps in MFA policies that left some login flows unprotected. [...]
Intezer has announced Workflows, a native automation and response builder that enables security teams to create and customize response workflows directly inside the Intezer platform. Workflows brings response into the same platform where alerts are triaged and investigated, al...
Latvia’s road traffic agency confirmed that hackers stole data connected to about two-thirds of the country’s population in a major cyberattack that has prompted calls for senior officials to resign.
CodeSecCon is the premier virtual event bringing together developers and cybersecurity professionals to revolutionize the way applications are built, secured, and maintained. The post Virtual Event Today: CodeSecCon – Secure Your Code and Applications appeared first on Securit...
A previously unreported cyber espionage operation dubbed SilkParasite has been observed targeting government bodies in Central Asia. The intrusion set makes use of seven remote access tool (RAT) families, five of which have never been previously documented: DriveSilkRAT, Cooki...
July 2026: OpenAI Agent Incident, KDDI Breach July 2026 brought a mix of large scale data exposures, supply chain access risks, credential-driven activity, and a new kind of AI-related incident response challenge. Severa
The Justice Department accused 17 alleged hackers with ties to the Iranian government of breaching email accounts at U.S. government agencies and stealing intellectual property from dozens of universities.
AI-powered data fabric company Prevalent AI today announced raising $22 million in growth funding from Integrity Growth Partners (IGP). Founded in 2017 by former GCHQ and Darktrace leaders and headquartered in London, Prevalent AI has operated on a bootstrapped basis until now...
Executive summary Note: This advisory relates to an active threat to Siemens S7 Series programmable logic controllers (PLCs). However, ongoing PLC targeting activity is broader than Siemens PLCs. All PLC owners and operators should apply relevant mitigations to reduce the risk...
Cybersecurity researchers at Hunt.io have disclosed details of a campaign that they say compromised more than 14,530 Dahua devices between June 17 and July 22, 2026, using credential attacks, two authentication-bypass flaws, and a peer-to-peer (P2P) relay technique. The activi...
The 17 members of the Mabna Institute targeted hundreds of universities and organizations in the US and abroad. The post US Charges 17 Iranian Hackers, Offers $10 Million Rewards for 5 of Them appeared first on SecurityWeek.
Most email defenses still do the job they did a decade ago. Scan the message, look for something malicious, block it. That worked when the danger sat in the payload, a bad link or an attachment. It stopped working when the danger moved into the message's intent, and it is fail...
Cybersecurity researchers have flagged a global cybercrime operation that abuses thousands of hacked WordPress websites as infrastructure to disseminate malware, commandeer infected hosts, store stolen documents, screenshots, and activity logs created to track the status of th...
Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. [...]
The cybercrime gang has listed major companies such as Shell, Philips, Fiserv, Zebra, Mindray, and Largan Precision. The post Cl0p Ransomware Group Names Over 40 Victims of PTC Windchill Campaign appeared first on SecurityWeek.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, stating they are being exploited in the wild. The shortcomings added to the KEV catalog are listed below - CVE-...
ICE collected nearly a million DNA samples last year.
The flaws can be exploited for remote code execution, authentication bypass, and device takeover. The post CISA Urges Immediate Patching of Exploited Microsoft, VMware, Apple Vulnerabilities appeared first on SecurityWeek.
Medusa ransomware has breached more than 500 organizations since it first appeared in June 2021, the FBI, CISA, and the Department of Health and Human Services (HHS) said in an updated joint advisory. The update builds on an advisory first issued in March 2025 and draws on FBI...
Telegram Applied for .gram: What It Means for the Threat Landscape TL;DR Telegram has applied for the .gram top-level domain through ICANN's 2026 round. If approved, Telegram usernames could become web-addressable domain
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned that hackers are exploiting a critical-severity remote code execution (RCE) flaw in the Windows Internet Key Exchange (IKE) Service Extensions component. [...]
Martin explores how using crime script analysis to describe an attack with everyday language makes the situation accessible to non-technical audiences and identify points where the crime can be disrupted.
Brinqa has announced its acquisition of PlexTra, adding the ability to verify that remediation efforts have actually worked. The combined capabilities uniquely position Brinqa to identify and prioritize the exposures that matter most, drive remediation, and validate that fixes...
The fixes resolve over 1,000 vulnerabilities across two dozen products, including over 460 remotely exploitable bugs. The post 943 Patches Rolled Out With Oracle’s August 2026 Security Update appeared first on SecurityWeek.
Microsoft has reminded customers that systems running Home and Pro editions of Windows 11 24H2 will stop receiving updates in two months. [...]
Google’s Mandiant has disclosed the workings of an internal tool that uses chains of AI agents to hunt for vulnerabilities in source code, saying it found over 100 verified, high-severity flaws in just two days during a live investigation into stolen corporate repositories. Th...
Microsoft tracked over 30 MacSync Stealer domains by focusing on behavioral patterns, revealing a campaign targeting passwords, keys, wallets and other data. Domain blocking is a losing game when the thing you’re blocking can register a new domain faster than you can add it to...
OpenAI temporarily paused reinforcement learning (RL) training on its latest models intended for deployment for two weeks while it hardened and red-teamed research environments and expanded monitoring. “Our largest planned frontier RL run remains on hold while we conduct small...
Over 50,000 exposed Stripe API keys show how leaked secrets can enable fraud, data access and account abuse within hours. Ransomnews researchers have documented a large-scale leak of Stripe merchant API keys found exposed in public code repositories, GitHub Actions logs, and m...
The bugs could lead to code execution, privilege escalation, sandbox escape, and information disclosure. The post Chrome, Firefox Updates Patch Dozens of Vulnerabilities appeared first on SecurityWeek.
The FBI said Tuesday that the Medusa ransomware gang has breached more than 500 critical infrastructure organizations in the United States since June 2021. [...]
The University of Texas at San Antonio pushed back the start of its fall semester by three days after a cyberattack targeted its academic network over the weekend. Classes that were due to begin on Wednesday, August 19 will now start on Monday, August 24. UT San Antonio is one...
When Cameron Curry discovered that his contract as a data analyst wasn't going to be renewed, he could have updated his LinkedIn profile. He could have started sending out his resume. But what the 27-year-old from Charlotte, North Carolina, did instead was turn to extortion. R...
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Apple macOS, Microsoft SharePoint, Broadcom VMware vCenter, and Microsoft IKE flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the foll...
F5 has introduced enhancements to the F5 AI Gateway and integrated the solution into the F5 AI Security Platform. The enhanced F5 AI Gateway seamlessly enforces policies on every AI request, giving enterprises a unified control plane to govern how AI models, agents, and tools ...
The data breach was initially believed to affect roughly 350,000 people, but the HHS breach tracker shows a far bigger impact. The post CareCloud Data Breach Impact Grows to 3.7 Million Individuals appeared first on SecurityWeek.
Microsoft Defender Experts have linked more than 30 web domains to MacSync Stealer, a macOS-focused information stealer, after correlating recurring endpoint and network behaviors across changing infrastructure, tracing the malware from payload retrieval through data collectio...
A JavaServer Pages (JSP) web shell deployed following the exploitation of a critical security flaw in PTC Windchill and FlexPLM servers is specifically designed for the enterprise Product Lifecycle Management (PLM) software, according to new findings from ReliaQuest. The cyber...
Banks are dealing with more fraud in which customers authorize payments after being manipulated by criminals. ThreatMark’s Fraud Readiness Benchmark 2026 describes a banking environment where social engineering, reimbursement requirements and growing case volumes are changing ...
OpenAI’s new Computer History feature turns recent Mac computer activity into memories ChatGPT and Codex can use, and it’s raising questions about privacy and security along the way. Computer History (Source: OpenAI) What Computer History does Computer History builds a timelin...
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In the first purported "near-autonomous" attack on a nation-state, a Chinese-language operator used a complex AI framework to target and compromise government agencies, likely in Taiwan.
A lack of technical details could make it hard for organizations running self-managed GitLab versions to detect potential exploitation of CVE-2026-19478.
Researchers discovered a "meta-hacking" technique that can manipulate the AI service into revealing its own security weaknesses.
Comcast is promoting WiFi-based motion detection as a part of its new Xfinity Shield home protection platform, allowing routers and wireless devices to detect people moving through a home without cameras or motion sensors. [...]
The superseding indictment adds defendants and allegations against the Iranian firm accused of a massive cybertheft campaign against foreign universities and others. The post Eight years later, federal authorities re-up charges against alleged Iranian hackers at Mabna Institut...
Rich Mogull, chief analyst with the Cloud Security Alliance, joins the Dark Reading News Desk with what defenders need to take away from AI agents escaping their environments to launch attacks.
We provide guidance for preparing for and mitigating large-scale credential attacks, focusing on recent campaigns targeting security vendors' devices. The post Threat Brief: Mitigating Large-Scale Credential Attacks (Updated August 18) appeared first on Unit 42.
Million-dollar heists, divorce, and career-ending burnout are all stories told in the latest docuseries revealing a behind-the-scenes look at the cybersecurity community.
The Cybersecurity and Infrastructure Security Agency (CISA) and FBI updated an advisory on the group initially released in March 2025 — writing that as of April 2026, Medusa actors have hit more than 500 victims. CISA previously said 300 victims, many of which are in critical ...
A Heights Finance breach exposed personal and financial data of over 1.2 million people after hackers compromised a third-party cloud platform. Heights Finance is a U.S. consumer finance company that provides personal loans and related lending services, mainly to customers who...
Varonis Threat Labs has disclosed three vulnerabilities in Microsoft Copilot Personal that it said could allow a single click on a crafted link to silently pull data from connected apps and other information available to the victim's Copilot session. The flaws, which the resea...
Two critical vulnerabilities impacting MLflow, an open-source artificial intelligence (AI) platform, and FUXA, an open-source, web-based SCADA / HMI software built for operational technology (OT) and industrial automation, are witnessing malicious scanning and exploitation eff...
A custom Java web shell likely linked to the Clop ransomware gang was designed specifically for PTC Windchill and FlexPLM servers, with built-in features to decrypt credentials, enumerate file repositories, and steal files. [...]
The updated warning from the FBI, CISA and HHS draws on a year’s worth of investigations to detail how the group gains initial access and what it does afterward. The post Medusa ransomware tallies hundreds of new victims, says updated advisory on group’s tactics appeared first...
MacSync Stealer rapidly rotates domains to evade detection, but its behavior remains consistent. Learn how Microsoft uncovered 30+ related domains using durable hunting pivots. The post Hunting MacSync Stealer infrastructure through behavioral pivots appeared first on Microsof...
Researchers tested 31 million patterns to disrupt surveillance AI, with promising results but significant gaps between simulation and real-world use. The Kansas City-based cybersecurity researcher Bill Swearingen spent the past year doing something that sounds almost too simpl...
A ransomware affiliate calling itself Ransom Busters has been spotted proactively sending emails to victim organizations and claims to delete stolen data from ransomware groups' servers in exchange for a fee ranging from $20,000 to $60,000. "In these messages, the third-party ...