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Trellix CyberThreat Report Unveils Financial, Telecom, and Energy Sectors Increasingly Under Attack
Trellix released the June 2023 edition of The CyberThreat Report from the Trellix Advanced Research Center which analyzes cybersecurity trends from the last quarter. Insights were gleaned from a global network of expert researchers who analyze over 30 million detections of malicious samples daily. Combined telemetry is collected from one billion sensors, and data from open and closed-source intelligence.

"A year into the Russia-Ukraine conflict, offensive cyber capabilities are being leveraged strategically by nation-states for espionage and disruption," said John Fokker, Head of Threat Intelligence, Trellix Advanced Research Center. "For both leading and developing countries, we see risks to critical infrastructures like telecommunications, energy, and manufacturing by notable APT groups - a warning to public and private organizations to deploy modern protections to stay ahead of rapidly evolving threats."

The latest Trellix Advanced Research Center report covers the first quarter of 2023 and is comprised of evidence of activity linked to ransomware and nation-state-backed APT actors, threats to email, malicious use of legitimate security tools, and more. Key findings include:

  • Coordinated Cyber Espionage. APT groups linked to China, including Mustang Panda and UNC4191, are the most active in targeting nation-states, generating 79% of all activity detected. Trellix predicts APT groups will continue cyber espionage and disruptive cyberattacks in tandem with physical military activity.
  • In Ransomware, Cash is King. Motivations for ransomware are still financial - reflected in the Insurance (20%) and Financial Services (17%) sectors having the most detections of potential attacks. The most common leak site victims are US-based (48%) mid-sized businesses with 51-200 employees (32%) and $10-50M in revenue (38%).
  • Cobalt Strike is a Favorite. Despite attempts in 2022 to make it harder for threat actors to abuse the tool, Cobalt Strike grows as a tool favored by cybercriminals and ransomware actors. Trellix detected Cobalt Strike in 35% of nation-state activity and 28% of ransomware incidents - almost double from Q4 2022.
  • Old Vulns, a Blast from the Past. Many critical vulnerabilities consist of bypasses to patches for older CVEs, supply chain bugs utilizing outdated libraries, or long-patched vulnerabilities that were never properly addressed. A disclosed Apple vulnerability in February 2023 had roots as far back as the FORCEDENTRY exploit disclosed in 2021.
  • Rogue Access to the Cloud. Cloud infrastructure attacks on Amazon, Microsoft, and Google are rising. Though more sophisticated attacks with multifactor authentication, proxy penetration, and API execution continue, the dominant attack technique uses valid accounts, at 2x more detections than any other vector. Rogue access to legitimate accounts in remote-work environments remains significant.

"Security Operations teams are in a race to enhance defense capabilities to protect organizations from growing attack surfaces," said Joseph "Yossi" Tal, SVP, Trellix Advanced Research Center. "Already understaffed, teams are in a daily catch-up to process millions of data points across complicated networks. Trellix's goal is to provide research to strengthen security postures through insights gleaned from our massive reservoir of intelligence."

Published Wednesday, June 21, 2023 9:48 AM by David Marshall
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