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Security researchers have released a proof-of-concept (PoC) exploit for CVE-2024-21413, a critical remote code execution vulnerability in Microsoft Outlook dubbed “MonikerLink.” This flaw enables attackers to execute arbitrary code on victi…
Are you experiencing performance issues with your Outlook data (PST and OST) in the Outlook environment? Common problems…
APT28 hackers deploy NotDoor backdoor via Microsoft Outlook macros, using OneDrive sideloading to steal data and evade detection.
Security researchers revealed that three unauthorized TLS certificates were issued in May 2025 for 1.1.1.1, the widely used public DNS service run by Cloudflare and APNIC. These certificates, improperly issued by the Fina RDC 2020 certificate authority…
Russian state-sponsored hackers have developed a sophisticated new backdoor malware called “NotDoor” that specifically targets Microsoft Outlook users, enabling attackers to steal sensitive data and gain complete control over compromised sy…
Check Point Research has uncovered a renewed global spear-phishing campaign orchestrated by the Iranian threat actor Educated Manticore, also known as APT42, Charming Kitten, and Mint Sandstorm. Linked to the IRGC Intelligence Organization, this group …
Proofpoint threat researchers have exposed an active account takeover (ATO) campaign, dubbed UNK_SneakyStrike, exploiting the TeamFiltration pentesting framework to target Microsoft Entra ID user accounts. Since December 2024, this malicious operation …
Unknown threat actors have compromised internet-accessible Microsoft Exchange Servers of government organizations and companies around the world, and have injected the organizations’ Outlook on the Web (OWA) login page with browser-based keylogge…
Microsoft confirmed a critical security vulnerability (CVE-2025-47176) in Microsoft Office Outlook, enabling attackers to execute arbitrary code. Despite the “Remote Code Execution” title, the attack vector is local, requiring attackers to run code fro…
Cybersecurity researchers have encountered a cleverly crafted phishing email targeting Czech bank customers, employing a lesser-known but highly deceptive technique to bypass security mechanisms and trick users into clicking malicious links. At first g…