Cyber Threat Intelligence 2021/10/11 – 2021/10/17

This week’s most mentioned cybersecurity topics have been covered in this newsletter for you. Latest developments, cyberattacks, data breaches, recent vulnerabilities, threat intelligence insights, and more.

Dark Web Insights

  • Acer Confirms Second Security Breach
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  • Patient Files Class-Action Lawsuit Against UF Health as Result of a Ransomware Attack
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  • Twitch Security Breach Had Minimal Impact, the Company States
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Critical Vulnerabilities

  • Microsoft Patches Actively Exploited Windows Zero-Day
  • Researchers Disclose New Side-Channel Attacks Affecting All AMD CPUs
  • Apple Releases Urgent iPhone and iPad Updates to Patch New Zero-Day Vulnerability
  • Rickroll Grad Prank Exposes Exterity IPTV Bug

Trending Threat Actors

  • REvil Ransomware Gang Goes Underground After Tor Sites Were Compromised
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  • Russia-Linked TA505 Targets Financial Institutions in a New Malspam Campaign
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  • TrickBot Gang Enters Cybercrime Elite with Fresh Affiliates
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  • New Yanluowang Ransomware Used in Targeted Enterprise Attacks
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Important Cybersecurity News

  • Google: “We’re sending out lots more phishing and malware attack warnings”, Here’s Why
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  • Ad-Blocking Chrome Extension Caught Injecting Ads in Google Search Pages
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  • $5.2 Billion in BTC Transactions Tied to Top 10 Ransomware Variants: US Treasury
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