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Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code or commands on vulnerable devices. [...]
Law enforcement from multiple countries collaborated to disrupt a cybercrime operation that has claimed some 500 victims worldwide in the past two years.
Bulletin ID: 2026-123-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/01/2026 14:00 PM PDT Description: Powertools for AWS Lambda (Python) is a developer toolkit that implements serverless best practices and increases developer velocity. We identified CVE-2026-104002, a fail-open error handling issue within the data masking utility of Powertools for AWS Lambda (Python). This issue might allow actors to read sensitive field values that the application intended to…
See how the Huntress SOC runs security incident investigations from first signal to final resolution, including the ones closed as benign.
Autonomous AI agents using aggressive strategies attempted to hack U.S. and Canadian government websites to find school and divorce statistics. [...]
Bulletin ID: 2026-122-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/01/2026 13:30 PM PDT Description: Amazon Ion Python is an open-source Python implementation of the Amazon Ion data notation. We identified CVE-2026-104020, an issue in the Ion reader in Amazon Ion Python before version 0.15.0 where a crafted, deeply nested Ion value could cause the application to raise an error or crash, resulting in a denial of service. Impacted versions: < 0.15.0 Please refe…
An Iranian national accused by the U.S. of taking part in dozens of breaches involving the theft of academic data and intellectual property has been extradited from Montenegro.
Microsoft says cyberattackers are currently benefiting from artificial intelligence faster than defenders, allowing threat actors to speed up vulnerability discovery, malware development, and post-compromise activity while security teams struggle to keep pace. [...]
The findings, released Thursday by Asymmetric Security, are just the latest example of rogue behavior spurred by OpenAI’s software.
Bulletin ID: 2026-121-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/01/2026 10:30 AM PDT Description: security-agent-mcp-server is an open-source Model Context Protocol (MCP) server, published by AWS in the awslabs/mcp repository, that AI assistants use to run local security scans (including differential "diff" scans) over source code. We identified CVE-2026-97662, an argument injection issue in the diff scan operation: a crafted reference value supplied to th…
Two separate reports by cybersecurity companies highlight China-linked hacking operations, including a phishing campaign that impersonated Western experts.
Operation KillSwitch: Europol says the KillSec ransomware group, allegedly led by a 16-year-old, was dismantled after attacks on about 1,000 victims. Law enforcement seized control of KillSec ‘s dark web leak site, the Tor website the group used to threaten victims with publishing stolen files unless they paid up. That single action locked down more […]
In this week’s edition, Amy reflects on the importance of prioritizing family and personal well-being over the pressure to remain constantly productive.
Fifteen years after coining the framework, John Kindervag insists zero trust still works in the AI era—if you get the implementation right. The post Zero Trust Creator Says Model Holds Firm Against AI-Assisted Attacks appeared first on SecurityWeek.
Hybrid risk intelligence company Osavul has raised $10 million in a Series A funding round led by 33N Ventures. The post Osavul Lands $10 Million to Spot Hostile Intent Across Cyber, Physical Domains appeared first on SecurityWeek.
Police in Spain have arrested a 16-year-old whom investigators suspect of running the KillSec ransomware group. KillSec is accused of stealing data from organizations and threatening to publish it on its leak site unless they paid. The 16-year-old was one of 3 people arrested on September 30, when police also took control of that site. Investigators identified him as KillSec's suspected
This week, the useful words are boring ones: inspect, cache, compile, store, trust. Each sounds harmless. Each can become an attack path when a system does a little more than people expect. A model check can run code. A cache can mix up requests. A public secret can stay useful for years. That is the lesson running through the list. Attackers do not always need a brilliant new trick. They can
A woman with Advanced Protection on Android enabled on her phone
European police said raids against the KillSec ransomware-as-a-service operation included the arrest of a high-profile teen suspect.
Cybersecurity researchers have shed light on a WordPress compromise in which threat actors deployed multiple persistence mechanisms to ensure that the final payload kept returning without having to infect the site again. The backdoor has been codenamed SC after the "SC_" markers present in the injected content. Sucuri has described the malware as a "self-healing mesh" that's
Rob Juncker is chief product and technology officer at Mimecast. Is he a hacker? “Unequivocally yes,” he says. The post Hacker Conversations: Rob Juncker, a Knock at the Door and a Moral Compass appeared first on SecurityWeek.
PwC’s survey found that only 22% of leaders would use fully autonomous AI for cyber defense, while just 21% are implementing quantum-resistant security measures. The post Enterprises Struggle to Prepare for AI and Quantum Threats, PwC Says appeared first on SecurityWeek.
An international law enforcement operation dubbed "Operation KillSwitch" seized the KillSec ransomware gang's data leak site and servers, led to three arrests, and identified a 16-year-old as the group's alleged administrator. [...]
Police took control of KillSec’s leak site and secured at least 110 terabytes of data stolen from victims. The post Police Shut Down KillSec Ransomware, Identify Alleged Teen Leader appeared first on SecurityWeek.
Zero Trust can verify users once they are established, but onboarding creates a gap where organizations must decide who to trust before strong authentication exists. Specops explains why identity verification should begin before credentials, MFA methods, and access are issued. [...]
According to this year’s Microsoft Digital Defense Report, government agencies and services were the sector most impacted by cyber threats in 2026, accounting for 27% of observed activity, up from 17% in 2025. The post Preparing governments for an era of interconnected cyber risk appeared first on Microsoft Security Blog.
Read highlights from the 2026 Microsoft Digital Defense Report, which reflects a security environment that continues to grow more interconnected. The post Insights from the 2026 Microsoft Digital Defense Report appeared first on Microsoft Security Blog.
Secure file-sharing software company Kiteworks has released security updates to address 126 vulnerabilities, including a max-severity flaw affecting its Email Protection Gateway (EPG) security solution. [...]
Google unveils Gemini 4 Argon, a frontier AI model built for coding, enterprise work, and autonomous cybersecurity defense, rolling out to trusted testers. Google announced Gemini 4 Argon, and it’s not going straight to the public. It’s rolling out first to a set of trusted cyber defenders through what Google calls the Fairwind Program, which […]
