Siva Ramakrishnan

Siva Ramakrishnan

107 posts

Russian Hacker Dmitry Khoroshev Unmasked as LockBit Ransomware Administrator

The U.K. National Crime Agency (NCA) has unmasked the administrator and developer of the LockBit ransomware operation, revealing it to be a 31-year-old Russian national named Dmitry Yuryevich Khoroshev. In addition, Khoroshev has been sanctioned by the U.K. Foreign, Commonwealth and Development Office (FCD), the U.S. Department of the Treasury’s Office of Foreign Assets Control (
Siva Ramakrishnan
Read More

Hackers Hit Indian Defense, Energy Sectors with Malware Posing as Air Force Invite

Indian government entities and energy companies have been targeted by unknown threat actors with an aim to deliver a modified version of an open-source information stealer malware called HackBrowserData and exfiltrate sensitive information in some cases by using Slack as command-and-control (C2). "The information stealer was delivered via a phishing email, masquerading as an invitation letter
Siva Ramakrishnan
Read More

China-Linked Group Breaches Networks via Connectwise, F5 Software Flaws

A China-linked threat cluster leveraged security flaws in Connectwise ScreenConnect and F5 BIG-IP software to deliver custom malware capable of delivering additional backdoors on compromised Linux hosts as part of an "aggressive" campaign. Google-owned Mandiant is tracking the activity under its uncategorized moniker UNC5174 (aka Uteus or Uetus), describing it as a "former
Siva Ramakrishnan
Read More

Ukraine Arrests Trio for Hijacking Over 100 Million Email and Instagram Accounts

The Cyber Police of Ukraine has arrested three individuals on suspicion of hijacking more than 100 million emails and Instagram accounts from users across the world. The suspects, aged between 20 and 40, are said to be part of an organized criminal group living in different parts of the country. If convicted, they face up to 15 years in prison. The accounts, authorities said, were
Siva Ramakrishnan
Read More