Nazar Tymoshyk from UnderDefense shares his thoughts on what ransomware attacks look like during the all-important opening hours.
"Rogue AI" terminology anthropomorphizes LLMs and shifts risk responsibility from vendors. Defenders should treat agents as untrusted, nondeterministic software systems, not sentient beings with malicious intent.
The U.S. Treasury Department has sanctioned eight members of the Venezuelan gang Tren de Aragua (TdA) for their role in the theft of millions of dollars in ATM jackpotting attacks across the United States. [...]
Cyber Briefs are monthly executive reports that aim to present an overview of the most relevant developments in cyber security, based exclusively on open sources, with a view to inform political leadership and senior management in its constituency. Additional information on any item in this Brief can be provided upon request. Cyber Briefs are TLP:CLEAR.
Noteworthy stories that might have slipped under the radar: Kiteworks patches over 100 vulnerabilities, Microsoft publishes 2026 Digital Defense Report, AI finds 24 Android app flaws. The post In Other News: $15K iCloud Spoofing Bugs, AI Policy Experts Phished, Adblocker Spies on AI Chats appeared first on SecurityWeek.
AI agents probing US and Canadian government sites made SQL injection attempts while seeking data, but investigators found no evidence of compromise. Autonomous AI agents, working on what looks like ordinary data retrieval tasks, ended up throwing basic hacking attempts at a U.S. Department of Education site and Library and Archives Canada. Nobody told them […]
Government services were temporarily disrupted by ransomware in Vicksburg, Mississippi. Mayor Willis Thompson said the FBI and other authorities are investigating.
The group is exploiting a variety of vulnerabilities impacting Microsoft SharePoint, according to a new report from Symantec Threat Hunter Team.
Browser-based attacks can steal sessions, abuse extensions, or manipulate users without creating the endpoint artifacts EDR is designed to detect. NordLayer explains three ways attacks can evade endpoint telemetry and why browser-level controls can help close the gap. [...]
Organizations don't need better vulnerability scanners; they need to know who owns their assets and has the authority and capacity to actually fix them.
New data shows that many workers have employer-sponsored AI accounts and are encouraged to use them, yet 43% haven't been trained in AI.
The dropper “carries a complete universal Mach-O inside itself, roughly 756 KB in the development build, and extracts it at runtime. The post macOS Users Targeted by Fake Zoom Installer Carrying CloudSyncD Backdoor appeared first on SecurityWeek.
Fraudsters are increasingly using AI to bypass stateless security checks. Cloudflare's new Account Abuse Protection dashboard uses stateful analysis and edge-generated Hashed User IDs to help teams investigate and block account abuse.
Quick Tunnels now support email authentication. Add --allowed-mail to one cloudflared command, and only the addresses or domains you list can reach your local app. No Cloudflare account required on either side.
OverviewRapid7 tracked a set of Linux samples that blend into the software and device conventions of the telecom environments they target. The set spans a newly observed BPFDoor variant, a BPF Rekoobe build seen against South Korean targets, a dropper, and six builds of a Linux implant we track as AVERAT, deployed against Taiwanese appliances. Additionally, we provide source code details of the Rapid7 BPFDoor controller introduced in our April 2026 blog, Stealthy BPFDoor Variants are a Needle T…
A trio of newly discovered backdoors walk and quack like legitimate edge solutions, so it's hard to tell they're not.
Dell has patched two maximum severity vulnerabilities in the Container Storage Modules (CSM) that connect Dell enterprise storage arrays to Kubernetes environments. [...]
OpenAI has parted ways with three members of its safety team after they leaked private information in violation of company policies, The Wall Street Journal reported. "We have parted ways with three individuals for violating our policies on accessing and handling sensitive company information," a spokesperson for the company was quoted as saying. "Our investigation confirmed that these
Hackers used the account, which has 13 million followers, to amplify a Clippy-themed cryptocurrency account. The post Crypto Scammers Hijack Microsoft’s Official X Account appeared first on SecurityWeek.
The quarterly board meeting is two weeks out. The security team is pulling exports from the identity provider, the cloud posture tool, the vulnerability scanner, the SIEM and the EDR console. Someone is building a spreadsheet to reconcile them. Someone else is turning that spreadsheet into slides. Then a board member asks three questions: How secure is the organization, overall? What is
Amir Barati, an alleged member of the Mabna Institute, was indicted for targeting universities, private organizations, and government entities in the US and abroad. The post In Rare Move, Alleged Iranian State Hacker Extradited to US appeared first on SecurityWeek.
The China-based hacking group has been exploiting SharePoint vulnerabilities since July 2025. The post Warlock Expands SharePoint Exploitation in Critical Infrastructure Attacks appeared first on SecurityWeek.
On Thursday, unknown attackers hijacked the official Microsoft account on X, which has over 13 million followers, in what appeared to be a pump-and-dump scheme promoting a crypto token. [...]
The attacks targeted the US Department of Education and Library and Archives Canada, and researchers linked some agents to OpenAI. The post AI Agents Aimed SQL Injection at US and Canadian Government Sites appeared first on SecurityWeek.
CVE-2026-104286 is a critical-severity path traversal vulnerability that could allow attackers to write arbitrary files to the system. The post Exploited Fortinet FortiMail Zero-Day Calls for Urgent Action appeared first on SecurityWeek.
Google has announced a new security measure that limits access to Android's accessibility services to verified applications classified as Accessibility Tools when Advanced Protection is enabled. With malicious Android applications abusing the API serving as the main conduit for malware and financial fraud, the tech giant said the move would block a major attack pathway. Advanced Protection is a
Asymmetric Security traces rogue OpenAI AI agent activity that probed government sites, accessed staging servers, and evaded sandbox limits. Researchers at Asymmetric Security spent 48 hours over the last weekend reconstructing reported rogue OpenAI AI agent activity that hit the Australian government and other organizations between March and September this year. They worked from public […]
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet FortiMail flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Fortinet FortiMail flaw, tracked as CVE-2026-104286 (CVSS score of 9.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a path traversal vulnerability that can be triggered through […]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on Thursday, added a critical security flaw impacting Fortinet FortiMail to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerability, tracked as CVE-2026-104286 (CVSS score: 9.8), allows unauthenticated attackers to write arbitrary files on the underlying system. "An improper
Group-IB descubre BraZetsu, un nuevo malware para Windows basado en Python que funciona como un toolkit maestro para Initial Access Brokers y potencia un marketplace clandestino único, mejorado con IA, para comercializar objetivos comprometidos en Iberoamérica y Latinoamérica.
