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Microsoft dismantled malware-signing network Fox Tempest

Microsoft disrupted Fox Tempest, a malware-signing-as-a-service (MSaaS) that allowed attackers to sign malware with fake trusted certificates. Microsoft said it disrupted a cybercrime operation run by a threat actor named Fox Tempest, which helped threat actors sign malware with short-lived certificates to make malicious software appear legitimate. The service abused Microsoft Artifact Signing and supported…

GitHub Flaw Enables Remote Code Execution With a Single Git Push

A vulnerability in GitHub’s infrastructure could have allowed attackers to execute code on backend systems using nothing more than a standard git push command.  The flaw affected both GitHub.com and GitHub Enterprise Server (GHES), exposing millions of repositories to potential compromise before it was patched. “By exploiting an injection flaw in GitHub’s internal protocol, any…

Security lapse lets researchers view React2Shell hackers’ dashboard

An apparent security lapse has allowed researchers to peer into the work of a threat group currently exploiting unpatched servers open to the four-month-old React2Shell vulnerability to steal login credentials, keys, and tokens at scale. Researchers from Cisco Systems’ Talos threat intelligence team who made the discovery said Thursday that the data harvested by an…

OpenAI Patches ChatGPT Data Exfiltration Flaw and Codex GitHub Token Vulnerability

A previously unknown vulnerability in OpenAI ChatGPT allowed sensitive conversation data to be exfiltrated without user knowledge or consent, according to new findings from Check Point. “A single malicious prompt could turn an otherwise ordinary conversation into a covert exfiltration channel, leaking user messages, uploaded files, and other sensitive content,” the cybersecurity company said in

Hack the AI Brain: LangSmith Vulnerability Could Expose Sensitive AI Data

A vulnerability in LangSmith, a widely used AI observability platform, could have allowed attackers to hijack user accounts and access sensitive enterprise data flowing through large language model (LLM) systems. Researchers at Miggo Security discovered the flaw, which could allow token theft and account takeover if a logged-in user visited a malicious webpage.  The vulnerability…

Authorities pull plug on Tycoon 2FA phishing-as-a-service platform

Tycoon 2FA, a phishing-as-a-service platform that allowed cybercriminals to bypass MFA and break into online accounts, has been disrupted by law enforcement agencies and cybersecurity partners. Takedown of the Tycoon 2FA phishing-as-a-service platform (Source: Europol) Active since August 2023, Tycoon 2FA was among the largest phishing operations worldwide. At its peak, the platform accounted for…

Europol-Led Operation Takes Down Tycoon 2FA Phishing-as-a-Service Linked to 64,000 Attacks

Tycoon 2FA, one of the prominent phishing-as-a-service (PhaaS) toolkits that allowed cybercriminals to stage adversary-in-the-middle (AitM) credential harvesting attacks at scale, was dismantled by a coalition of law enforcement agencies and security companies. The subscription-based phishing kit, which first emerged in August 2023, was described by Europol as one of the largest phishing

Global coalition dismantles Tycoon 2FA phishing kit

Tycoon 2FA, a major phishing kit and platform that allowed low-skilled cybercriminals to bypass multifactor authentication and conduct large-scale adversary-in-the-middle attacks, was dismantled Wednesday by a global coalition of security companies and law enforcement agencies. Microsoft, which led the effort alongside Europol and authorities from six countries and 11 security firms or organizations, said it…

ServiceNow AI Platform Vulnerability Enables Unauthenticated RCE

ServiceNow has addressed a critical vulnerability in its AI Platform that could have allowed unauthenticated remote code execution in enterprise environments.  The flaw has a CVSS score of 9.8, reflecting its high severity and potential impact on workflow automation and AI-driven operations. “This vulnerability could potentially enable an unauthenticated user, in certain circumstances, to remotely…

Microsoft 365 Copilot Bug Circumvented DLP Controls

Microsoft has confirmed a bug in Microsoft 365 Copilot Chat that allowed the AI assistant to summarize emails labeled as confidential, even when sensitivity labels and data loss prevention (DLP) policies were in place.  The issue, first identified on Jan. 21, 2026 and tracked internally as CW1226324, impacted Copilot’s “work tab” chat feature. “Without proper…

Apple fixed first actively exploited zero-day in 2026

Apple fixed an exploited zero-day in iOS, macOS, and other devices that allowed attackers to run code via a memory flaw. Apple released updates for iOS, iPadOS, macOS, watchOS, tvOS, and visionOS to address an actively exploited zero-day tracked as CVE-2026-20700. The flaw is a memory corruption issue in Apple’s Dynamic Link Editor (dyld) that…

Global Group ransomware gang running new campaign using Windows shortcut files

When Microsoft patched a vulnerability last summer that allowed threat actors to use Windows’ shortcut (.lnk) files in exploits, defenders might have hoped use of this tactic would decline. They were wrong. According to researchers at Forcepoint, a new high-volume phishing campaign spreading the Global Group ransomware has been detected that hopes to sucker employees…

n8n Flaw Puts Hundreds of Thousands of Enterprise AI Systems at Risk

A flaw in the n8n platform allowed any authenticated user to fully compromise the underlying server, exposing credentials, secrets, and AI-driven workflows across enterprise environments. The vulnerability carries a CVSS score of 10.0 and allows attackers to break out of n8n’s JavaScript sandbox to execute arbitrary commands, effectively transforming routine workflow logic into complete control…

How to hack a prison, and the hidden threat of online checkouts

A literal insider threat: we head to a Romanian prison where “self-service” web kiosks allowed inmates to run wild. Then we head to the checkout aisle to ask why JavaScript on payment pages went feral, and how new PCI DSS rules are finally muzzling Magecart-style skimmers. Plus: Graham reveals his new-found superpower with Keyboard Maestro,…