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New Wave of Targeted Hacking Campaigns and Ransomware Attacks Exploiting Microsoft Exchange Server Vulnerabilities

Multiple threat actors, including Hafnium, LuckyMouse, Calypso, Winnti, Bronze Butler, Websiic, Tonto, Mikroceen, and DLTMiner, are actively targeting four zero-day Microsoft Exchange vulnerabilities (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065) in their targeted malware attacks and hacking campaigns. These threat actors managed to compromise nearly 30,000 Microsoft Exchange servers located within the United States. Approximately 7,000 organizations worldwide […]


Vulnerabilities and Privacy Issues with Clubhouse App

Clubhouse and its exponential growth during COVID-19 Clubhouse is an invite-only audio-chat iPhone app founded by Paul Davison and Rohan Seth. It allows users to create groups for conversations, including podcasts, audio conferences, etc. Launched in April 2020, the application became popular during the COVID-19 pandemic, reaching 600,000 registered users in December 2020, which exploded […]


What is the security feature bypass vulnerability & update affecting Windows customers worldwide?

Brief about the vulnerability The security feature bypass vulnerability (CVE-2020-0689) allows attackers to bypass the secure boot feature and load untrusted or malicious software during the Windows boot-up process. While this vulnerability created panic among Microsoft customers, Microsoft released a security update (KB4535680) to tackle the same. But the update has caused further inconvenience to […]


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