Cybersecurity Threat Advisory: Critical PHP2Shell RCE vulnerabilities
PHP recently shipped an out-of-cycle emergency release fixing two critical remote code execution flaws, CVE-2026-109618 and CVE-2026-109619, collectively dubbed PHP2Shell. Both are rated 9.2 on CVSS v4.0 and can allow unauthenticated attackers to run code on vulnerable web servers. The...
Cybersecurity Threat Advisory: Trojanized PuTTY installers target IT admins
Threat actors are using malicious Google Search ads to distribute weaponized PuTTY installers that target IT administrators. These ads direct victims to fake websites that mimic legitimate PuTTY download pages. Once installed, the trojanized software deploys malware that enables remote...
Cybersecurity Threat Advisory: TrustSink attack targets Microsoft Entra ID
TrustSink is an attack technique that abuses Microsoft Entra ID’s federated trust model. It uses a rogue MFA provider to intercept user credentials during legitimate login attempts. The attack captures plaintext passwords in real time without the user’s knowledge. Attackers...
Cybersecurity Threat Advisory: Linux kernel RDS vulnerability
A critical Linux kernel vulnerability, CVE-2026-43502 (ZcopyReaper), affects the RDS zerocopy send path. The flaw allows unprivileged local attackers to escalate privileges and gain root access on affected systems. A public proof-of-concept (PoC) exploit is available, making immediate patching essential...
Cybersecurity Threat Advisory: SynkLoader Teams phishing campaign
Security researchers have identified a phishing campaign that uses Microsoft Teams messages impersonating IT support staff to distribute a newly discovered malware known as SynkLoader. Read this Cybersecurity Threat Advisory to understand the risks associated with SynkLoader, identify potential exposure,...
Cybersecurity Threat Advisory: SilverFox deploys ValleyRAT rootkit
SilverFox threat actors are actively running a ValleyRAT campaign to bypass security controls, escalate privileges, and maintain deep system access while avoiding detection. Organizations should treat this as a high-priority threat. Continue reading this Cybersecurity Threat Advisory to protect against...
Cybersecurity Threat Advisory: Microsoft Teams TURN relay exploit
Threat actors are using a custom backdoor to route their command-and-control (C2) traffic through Microsoft Teams’ TURN relay infrastructure. This technique blends malicious traffic with legitimate Teams communications. As a result, attackers can bypass traditional network defenses, maintain covert access...
Cybersecurity Threat Advisory: ClickFix attacks
This Cybersecurity Threat Advisory has been revised based on a proactive threat hunt by Barracuda Managed XDR, which identified additional indicators of compromise (IOCs) and informed enhanced defensive guidance for customers. Threat actors are actively exploiting a critical Ghost CMS...
Cybersecurity Threat Advisory: RMM-based phishing attacks
An ongoing phishing campaign has been observed targeting multiple vectors and leveraging legitimate Remote Monitoring and Management (RMM) tools to establish persistent remote access on compromised hosts. Read this Cybersecurity Threat Advisory to mitigate risk for you and your clients....
Cybersecurity Threat Advisory: Blue Hammer zero-day
A researcher leaked a zero‑day vulnerability dubbed “BlueHammer” to protest Microsoft’s handling of the private disclosure process. Although the published code contains implementation bugs, attackers with local access can still use it to compromise affected systems. Read this Cybersecurity Threat...
