Security news aggregator

Latest coverage for Warning

Security warnings identify potential threats, unsafe configurations, or urgent weaknesses so organizations can assess risk and take protective action.

267 headlines in this view

Refine the feed

Search across headline titles and summaries.

Tag briefing

Background for this topic.

Warning is a notification that a security-relevant condition may require attention, such as a newly disclosed vulnerability, suspicious authentication activity, malicious campaign, unsafe configuration, or deceptive message. In security news, the term commonly covers public advisories and threat-intelligence notices as well as operational alerts generated by defensive systems; it does not by itself prove that an attack or compromise has occurred.

Practitioners should assess the warning’s source, affected products or environments, evidence, severity, exploitability, and recommended action. Vulnerability warnings may require identifying exposed assets, applying a fix or mitigation, and checking for exploitation; campaign warnings may provide indicators for detection and investigation. Alerts should be triaged against logs and other evidence, with significant findings routed into incident response. Because attackers can imitate urgent security notices, recipients should verify requests and access instructions through trusted channels, while excessive or poorly tuned alerts can create fatigue and obscure genuinely important signals.

Volume over time

Weekly headline count for the current query.

Showing 20 most recent headlines of 267 Filtered view
Bank Info Security 19 hours, 24 minutes ago

OpenAI Warns GPT-5.6 File Deletions Stem From Full Access Mode

Persistent AI Coding Model Prompted Safeguard Changes After Rare File LossOpenAI is tightening safeguards after some GPT-5.6 users reported that Codex accidentally deleted local files while operating in full access mode. The company said the incidents were rare but acknowledged the model's persistence led it to take unintended actions without seeking user confirmation.

Bank Info Security 1 month, 1 week ago

Data Center OT Flaws Could Help Hackers Kill Power and AC

Claroty Warns of Downtime, 'Devastating' Impact of Vulnerabilities in OT SystemsVulnerabilities in backup power devices and heating and cooling control systems widely used in data centers could enable remote cyberattacks and result in costly downtime and "devastating" operational impact, according to new research from OT security firm Claroty.

Bank Info Security 1 month, 2 weeks ago

China Using LinkedIn to Recruit Government Insiders

Five Eyes Agencies Document 5-Step Chinese Job Platform Spy SchemeThe Five Eyes intelligence agencies issued a rare joint bulletin warning that Chinese military intelligence is using LinkedIn, Indeed, and Upwork to recruit government and military insiders. The operation targets clearance holders, military personnel, academics and journalists.

Bank Info Security 1 month, 2 weeks ago

23andMe Failed to Stop Months-Long Hack, State Alleges

Calif. Lawsuit: Genetics Testing Firm Missed Red Flags Before Massive 2023 BreachHackers in 2023 went undetected for five months in genetics testing firm 23andMe's IT systems, despite multiple unheeded warning signs, alleges California's attorney general in a lawsuit. Hackers in late April 2023 began accessing 23andMe's systems by using compromised credentials.

Bank Info Security 1 month, 2 weeks ago

Agentic AI in Healthcare Is a Risky Proposition

Health-ISAC Warns About Weak Governance and Credential MisuseHumans make mistakes. They fall for phishing scams and click on malicious links. Machines aren't necessarily better: Delegating decisions to agentic artificial tools can significantly intensify cybersecurity risks, warns a healthcare association.

Déjà Vu: Is Mythos in Hands of Bad Actors Akin to Cobalt Strike, Brute Ratel Abuse?Anthropic's Claude Mythos and similarly powerful artificial intelligence tools pose elevated cyber risk to the healthcare sector, warns a new report. Addressing the onslaught of newly discovered bugs will require healthcare organizations to evolve their vulnerability mindsets.

New Report Warns China Could Reach Frontier AI Near-Parity by 2028Anthropic warned that weak chip export controls, model distillation and expanded Chinese access to advanced compute infrastructure could erode Washington’s frontier AI advantage and accelerate Beijing’s push toward near-parity in advanced AI systems.

Chuck Robbins Warns Customers Face Growing Exposure From Equipment Past SupportCisco is embedding Anthropic's Claude Mythos Preview into internal security operations to test code, accelerate patching and push infrastructure upgrades, even as it lays off 4,000 employees to redirect spending toward AI, silicon, optics and security.

Forrester's Allie Mellen on Preparing for a Mythos-Level Surge in VulnerabilitiesAI is simultaneously the biggest threat to financial system security and the most powerful tool for defending it. The IMF is sounding the alarm on systemic risk. Forrester principal analyst Allie Mellen breaks down what that means for CISOs and security teams at financial institutions.

ICO Warns Key Security Gaps Led to Exposed Data of Over 630,000 PeopleA British regulator said a major water sector organization failed to use establish cybersecurity safeguards to secure sensitive data, allowing hackers to use a phishing campaign to gain persistence, steal records and expose more than 630,000 sensitive records.

Bank Info Security 2 months, 1 week ago

US Senator Presses CISA on Election Security Rollbacks

Top Democrat Warns States Are Losing Federal Cyber Defense SupportA top U.S, Senate Democrat decried shrinking federal support for election security ahead of the November midterms, warning that cuts to the Cybersecurity and Infrastructure Security Agency could leave states without cyber defense or threat intelligence capabilities

Bank Info Security 2 months, 1 week ago

Why Autonomous AI Agents Fail in Real-World Deployments

Study Finds Standard Safety Tests Miss Most Agentic AI ThreatsResearchers from Stanford, MIT, Carnegie Mellon and others found that most production AI agents are vulnerable to attacks that unfold across multi-step actions. The study warns that memory, tool access and agent coordination create failure modes traditional chatbot safety testing cannot see.

Bank Info Security 2 months, 1 week ago

Five Eyes Sound Alarm on Autonomous AI Security Risks

Guidance Warns Autonomous Systems Expand Enterprise ExposureFederal and Five Eyes cyber agencies warn that agentic AI systems - capable of autonomous action across enterprise environments - are introducing identity, visibility and control risks that could outpace existing defenses without continuous monitoring, zero trust enforcement and human oversight.

Bank Info Security 2 months, 2 weeks ago

Pentagon's Anthropic Fight Draws Rebuke From Ex-DOD Leaders

Former Officials, Tech Groups Say Anthropic Designation Is Illegal - and DangerousFormer U.S. defense and intelligence officials argue the Pentagon's designation of Anthropic as a supply-chain risk was politically motivated and legally flawed, warning it could erode trust in government contracting and weaken the defense AI ecosystem.

Bank Info Security 2 months, 3 weeks ago

CISA Hunts for Cisco Backdoor Spotted on Federal Network

'Firestarter' Backdoor Can Survive Reboots, Upgrades and Standard FixesThe Cybersecurity and Infrastructure Security Agency issued an emergency directive warning a newly-discovered Cisco backdoor can survive routine remediation processes, forcing agencies to investigate edge devices that anchor federal firewall and VPN security.

Bank Info Security 2 months, 3 weeks ago

White House Warns of AI Model 'Extraction' Campaigns

Agencies Urged to Track and Disrupt Coordinated AI Extraction CampaignsThe White House is escalating coordination with AI firms after identifying large-scale foreign campaigns using proxy accounts and jailbreaking techniques to extract capabilities from U.S. models, raising national security concerns and prompting new detection, logging and accountability measures.

CISA Acting Director Says Major Staffing Gaps Are Weakening Federal Network DefenseThe acting director of the Cybersecurity and Infrastructure Security Agency said the administration's fiscal year $2.5 billion budget request reflects mounting strain from workforce shortages and shutdown disruptions that have reduced staffing to 40% in recent months.

Anthropic's AI Model Exposes How Unprepared Enterprises Are to RespondAnthropic's announcement this week of Claude Mythos Preview frontier model capable of finding zero-days flaws humans may miss is both a warning and a call to action for CIOs: The way enterprises have been managing cybersecurity is about to change forever, and they need to get ready.

Loading more headlines...