09 Nov, 2026

CISA and NSA share tips on securing Microsoft Exchange servers

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks against attacks. Recommended best practices include hardening user authentication and access, minimizing application attack surfaces, and ensuring strong network encryption. The agencies also advise network defenders to decommission […]

3 mins read

LinkedIn phishing targets finance execs with fake board invites

Hackers are abusing LinkedIn to target finance executives with direct-message phishing attacks that impersonate executive board invitations, aiming to steal their Microsoft credentials. The campaign was spotted by Push Security, which says it recently blocked one of these phishing attacks that began with a LinkedIn message containing a malicious link. GeekFeed has learned that these phishing […]

4 mins read

Malicious NPM packages fetch infostealer for Windows, Linux, macOS

Ten malicious packages mimicking legitimate software projects in the npm registry download an information-stealing component that collects sensitive data from Windows, Linux, and macOS systems. The packages were uploaded to npm on July 4, and remained undetected for a long period due to multiple layers of obfuscation that helped escape standard static analysis mechanisms. According to researchers at […]

3 mins read

WordPress security plugin exposes private data to site subscribers

The Anti-Malware Security and Brute-Force Firewall plugin for WordPress, installed on over 100,000 sites, has a vulnerability that allows subscribers to read any file on the server, potentially exposing private information. The plugin provides malware scanning and protection against brute-force attacks, exploitation of known plugin flaws, and against database injection attempts. Identified as CVE-2025-11705, the […]

2 mins read

Canada says hacktivists breached water and energy facilities

The Canadian Centre for Cyber Security warned today that hacktivists have breached critical infrastructure systems multiple times across the country, allowing them to modify industrial controls that could have led to dangerous conditions. The authorities issued the warning to raise awareness of the elevated malicious activity targeting internet-exposed Industrial Control Systems (ICS) and the need […]

2 mins read

PhantomRaven attack floods npm with credential-stealing packages

An active campaign named ‘PhantomRaven’ is targeting developers with dozens of malicious npm packages that steal authentication tokens, CI/CD secrets, and GitHub credentials. The activity started in August and deployed 126 npm packages that counted more than 86,000 downloads. The Node Package Manager (NPM) is the default package manager for Node.js, used by JavaScript developers […]

2 mins read

Microsoft fixes 0x800F081F errors causing Windows update failures

Microsoft has resolved a known issue that caused Windows updates to fail, leading to 0x800F081F errors on Windows 11 24H2 systems. In a service alert seen by GeekFeed, Microsoft says this known issue affects users who have installed the KB5050094 January 2025 preview cumulative update and later Windows updates. “The cumulative update failure might be accompanied with error code […]

2 mins read

Windows 11 KB5067036 update rolls out Administrator Protection feature

Microsoft has released the KB5067036 preview cumulative update for Windows 11 24H2 and 25H2, which begins the rollout of the Administrator Protection cybersecurity feature and an updated Start Menu. The KB5067036 update is part of the company’s optional non-security preview update schedule, which releases updates at the end of each month to test new fixes and features coming to […]

10 mins read

Advertising giant Dentsu reports data breach at subsidiary Merkle

Japanese advertising giant Dentsu has disclosed that its U.S.-based subsidiary Merkle suffered a cybersecurity incident  that exposed staff and client data. The company states that the incident forced them to take certain systems offline as part of their response plan. “We detected abnormal activity within part of the network of Merkle, a company leading the […]

2 mins read

Qilin ransomware abuses WSL to run Linux encryptors in Windows

The Qilin ransomware operation was spotted executing Linux encryptors in Windows using Windows Subsystem for Linux (WSL) to evade detection by traditional security tools. The ransomware first launched as “Agenda” in August 2022, rebranding to Qilin by September and continuing to operate under that name to this day. Qilin has become one of the most […]

4 mins read