Authentication
Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks
Nearly 22,000 Microsoft Exchange servers exposed online remain unpatched against a high-severity authentication bypass vulnerability that allows attackers to hijack all user mailboxes. Tracked as CVE-2026-62911 and reported by DEVCORE Research Team’s Orange Tsai, this security flaw affects Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition (SE) software. Threat actors with basic privileges on […]
Massive Microsoft 365 outage causes auth issues, service failures
Microsoft is investigating a widespread service issue causing authentication issues, connection problems, service delays and failures, and various other issues for Microsoft 365 customers. It first acknowledged this incident (tracked under EX1464935 in the admin center) at 5:30 PM UTC, when it began investigating a stream of reports from users on social media regarding multiple issues affecting Exchange Online. However, while Exchange Online is the […]
Check Point warns of SmartConsole zero-day exploited in attacks
Israeli cybersecurity firm Check Point Software has addressed an actively exploited zero-day flaw in the company’s SmartConsole graphical user interface (GUI) admin panel. Tracked as CVE-2026-16232, this authentication bypass vulnerability allows unauthenticated attackers to obtain an application login token that can be used to authenticate with administrator privileges. After gaining access to a vulnerable Security Management […]
Microsoft Entra ID gets passkeys default authentication starting September
Microsoft has announced that passkeys will become the default authentication method for the Entra ID enterprise identity service starting September 2026. Passkeys will be enabled automatically for Entra ID users now using phone-based SMS and voice authentication, which will be retired in February 2027 across all tenants. However, users who are already signing into their […]
Progress warns of critical MOVEit Automation auth bypass flaw
Progress Software warned customers to patch a critical authentication bypass vulnerability in its MOVEit Automation enterprise-grade managed file transfer (MFT) application. MOVEit Automation automates complex data workflows without requiring manual scripting and serves as a central automation orchestrator to schedule and manage file transfers between different systems, including local servers, cloud storage, and external partners. […]
Microsoft to roll out Entra passkeys on Windows in late April
Microsoft will roll out passkey support for phishing-resistant passwordless authentication to Microsoft Entra‑protected resources from Windows devices starting late April. The feature is expected to reach general availability by mid-June 2026 and will also extend passwordless sign-in to unmanaged Windows devices. Microsoft says that Entra passkeys on Windows will support corporate, personal, and shared devices, […]
TP-Link warns users to patch critical router auth bypass flaw
TP-Link has patched several vulnerabilities in its Archer NX router series, including a critical-severity flaw that may allow attackers to bypass authentication and upload new firmware. Tracked as CVE-2025-15517, this security flaw affects Archer NX200, NX210, NX500, and NX600 wireless routers and stems from a missing authentication weakness that attackers can exploit without privileges. “A missing […]
Microsoft brings phishing-resistant Windows sign-ins via Entra passkeys
Microsoft is rolling out passkey support for Microsoft Entra on Windows devices, adding phishing-resistant passwordless authentication via Windows Hello. The feature is opt-in and will enter public preview from mid-March through late April 2026 for worldwide tenants. Government cloud environments (GCC, GCC High, and DoD) follow with mid-April through mid-May rollout windows. Notably, this also […]
Bitwarden adds support for passkey login on Windows 11
Bitwarden announced support for logging into Windows 11 devices using passkeys stored in the manager’s vault, enabling phishing-resistant authentication. The new feature is available for all plans, including the free tier, and allows logging into Windows by selecting the security key option and scanning a QR code with a mobile device to confirm access to the passkey […]
Microsoft to disable NTLM by default in future Windows releases
Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks. NTLM (short for New Technology LAN Manager) is a challenge-response authentication protocol introduced in 1993 with Windows NT 3.1 and is the successor to the LAN Manager (LM) protocol. Kerberos has superseded NTLM and […]