Latest Cybersecurity News and Articles

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Megalodon GitHub Attack Targets 5,561 Repos with Malicious CI/CD Workflows

Cybersecurity researchers have disclosed details of a new automated campaign called Megalodon that has pushed 5,718 malicious commits to 5,561 GitHub repositories within a six-hour window. "Using throwaway accounts and forged author identities (build-bot, auto-ci, ci-bot, pipeline-bot), the attacker injected GitHub Actions workflows containing base64-encoded bash payloads that exfiltrate CI

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Making Vulnerable Drivers Exploitable Without Hardware - The BYOVD Perspective

1 Introduction This article provides a technical analysis of how many Windows kernel mode drivers can be interacted with from user mode without the hardware they were developed for. This work was motivated by driver-oriented vulnerability research and the need to evaluate the exploitability of individual findings, which frequently affect code whose reachability is hardware-gated. The

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‘First VPN’ Cybercrime Service Disrupted, Administrator Arrested

The FBI says First VPN has been used by dozens of ransomware groups for network reconnaissance and intrusions. The post ‘First VPN’ Cybercrime Service Disrupted, Administrator Arrested appeared first on SecurityWeek.

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Kimwolf DDoS Botnet Operator Arrested in Canada Over DDoS-for-Hire Attacks

The U.S. Department of Justice (DoJ) on Thursday announced the arrest of a Canadian man in connection with allegedly operating a distributed denial-of-service (DDoS) botnet known as Kimwolf. In tandem, Jacob Butler (aka Dort), 23, Ottawa, Canada, has been charged with offenses related to the development and operation of the botnet. Kimwolf is assessed to be a variant of AISURU. "Kimwolf

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TrendAI Patches Apex One Zero-Day Exploited in the Wild

CVE-2026-34926 is a directory traversal flaw that can be exploited against the on-premise version of Apex One. The post TrendAI Patches Apex One Zero-Day Exploited in the Wild appeared first on SecurityWeek.

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Grafana Says Codebase and Other Data Stolen via TanStack Supply Chain Attack

Hackers accessed Grafana’s GitHub repositories after a token compromised in the TanStack attack was not rotated. The post Grafana Says Codebase and Other Data Stolen via TanStack Supply Chain Attack appeared first on SecurityWeek.

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CISA Adds Exploited Langflow and Trend Micro Apex One Vulnerabilities to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added two security flaws impacting Langflow and Trend Micro Apex One to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerabilities in question are listed below - CVE-2025-34291 (CVSS score: 9.4) - An origin validation error vulnerability in Langflow that could

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Cisco Patches CVSS 10.0 Secure Workload REST API Flaw Enabling Data Access

Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data. Tracked as CVE-2026-20223 (CVSS score: 10.0), the vulnerability arises from insufficient validation and authentication when accessing REST API endpoints. "An attacker could exploit this vulnerability if they are able to send

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Alleged Kimwolf Botmaster ‘Dort’ Arrested, Charged in U.S. and Canada

Canadian authorities on Wednesday arrested a 23-year-old Ottawa man on suspicion of building and operating Kimwolf, a fast spreading Internet-of-Things botnet that enslaved millions of devices for use in a series of massive distributed denial-of-service (DDoS) attacks over the past six months. KrebsOnSecurity publicly named the suspect in February 2026 after the accused launched a volley of DDoS, doxing and swatting campaigns against this author and a security researcher. He now faces criminal hacking charges in both Canada and the United States.

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Showboat Linux Malware Hits Middle East Telecom with SOCKS5 Proxy Backdoor

Cybersecurity researchers have disclosed details of a new Linux malware dubbed Showboat that has been put to use in a campaign targeting a telecommunications provider in the Middle East since at least mid-2022. "Showboat is a modular post-exploitation framework designed for Linux systems, capable of spawning a remote shell, transferring files, and functioning as a SOCKS5 proxy," Lumen

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Cisco Patches Critical Vulnerability in Secure Workload

Insufficient validation and authentication in the Secure Workload’s REST APIs provide remote attackers with Site Admin privileges. The post Cisco Patches Critical Vulnerability in Secure Workload appeared first on SecurityWeek.

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ThreatsDay Bulletin: Linux Rootkits, Router 0-Day, AI Intrusions, Scam Kits and 25 New Stories

This week starts small. A token leaks. A bad package slips in. A login trick works. An old tool shows up again. At first, it feels like the usual mess. Then you see the pattern: attackers are not always breaking in. They are using the parts we already trust. That is what makes it worrying. The danger is in normal things now - updates, apps, cloud buttons, support chats, trusted accounts. AI

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Ocean Emerges From Stealth With $28M for Agentic Email Security Platform

The company has developed a platform that uses specialized AI agents to inspect every incoming message. The post Ocean Emerges From Stealth With $28M for Agentic Email Security Platform appeared first on SecurityWeek.

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Apple Rejected 2 Million App Store Submissions in 2025 for Security and Fraud Prevention

The company blocked over 1.1 billion accounts and $2.2 billion in potentially fraudulent transactions. The post Apple Rejected 2 Million App Store Submissions in 2025 for Security and Fraud Prevention appeared first on SecurityWeek.

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Drupal Patches Highly Critical Vulnerability Exposing Websites to Hacking

CVE-2026-9082 can be exploited without authentication for information disclosure, privilege escalation, and remote code execution. The post Drupal Patches Highly Critical Vulnerability Exposing Websites to Hacking appeared first on SecurityWeek.

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Microsoft Warns of Two Actively Exploited Defender Vulnerabilities

Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE-2026-41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges. "Improper link resolution before file access ('link following') in Microsoft Defender

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Socket Raises $60 Million at $1 Billion Valuation

The company will invest in its firewall, certified patches, protection extensions, new products, and team expansion. The post Socket Raises $60 Million at $1 Billion Valuation appeared first on SecurityWeek.

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When Identity is the Attack Path

Consider a cached access key on a single Windows machine. It got there the way most cached credentials do - a user logged in, and the key stored itself automatically. Standard AWS behavior. No one misconfigured anything or violated a policy. Yet that single key, which was easily accessible to a minor-league attacker, could have opened a path to some 98% of entities in the company's cloud

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Microsoft Patches Exploited UnDefend and RedSun Defender Zero-Days

The bugs could be exploited to elevate privileges to System or create a denial-of-service (DoS) condition. The post Microsoft Patches Exploited UnDefend and RedSun Defender Zero-Days appeared first on SecurityWeek.

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Google’s Surge in Chrome Vulnerability Discoveries Likely Driven by AI

More than 200 vulnerabilities patched in recent Chrome releases are marked as ‘reported by Google’. The post Google’s Surge in Chrome Vulnerability Discoveries Likely Driven by AI appeared first on SecurityWeek.