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Our Threat Response Unit (TRU) publishes security advisories, blogs, reports, industry publications and webinars based on its original research and the insights driven through proactive threat hunts.
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SECURITY ADVISORIES
May 31, 2023
CVE-2023-2868 – Barracuda Zero-Day Vulnerability
THE THREAT On May 23rd, the email security company Barracuda disclosed a new vulnerability impacting Barracuda Email Security Gateway (ESG) appliances. Exploitation of the vulnerability, by threat…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 2000+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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Mar 20, 2023
Exertis and eSentire Partner to Deliver 24/7 Multi-Signal MDR, Digital Forensics & IR Services and Exposure Management to Organisations Across the UK, Ireland, and Europe
Basingstoke, UK– 20 March, 2023. Leading technology distributor, Exertis, announced today that it has bolstered its cybersecurity services, adding eSentire, the Authority in Managed Detection and Response (MDR), to its Enterprise portfolio of offerings. eSentire’s award-winning, 24/7 multi-signal MDR, Digital Forensics & Incident Response (IR), and Exposure Management services will be available…
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Report

Dissecting Today's Ransomware Ecosystem

Ransomware-As-A-Service, Targeted Intrusions and Opportunistic Attacks

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For years, ransomware has been a significant threat to organizations. But cybercrime as we know it has changed. What were once opportunistic attacks used to exploit individuals have turned into well-orchestrated attacks aimed at high-value organizations to cripple business operations and wreak chaos.

Even the threat actors behind ransomware attacks are far more sophisticated and savvy than the petty criminals they used to be. Their operations are organized, well-run, and even leverage role specialization to expand the reach and velocity of modern ransomware campaigns.

Since initial access to data exfiltration and deployment of ransomware can unfold in mere hours, CISOs need to re-evaluate their security program, posture, and controls against the backdrop of the heightened risk organizations face from today's threat actors. In addition, Security Operations teams need up-to-date threat detection capabilities and incident response playbooks to fully respond and remediate ransomware threats.

Read this report for insights on modern ransomware threats from eSentire’s Threat Response Unit (TRU) experts, including:

  • The emergence of Ransomware-as-a-Service
  • How criminals use ransomware to perform both opportunistic and targeted attacks against organizations
  • Case studies and observations on the most popular initial ransomware attack access techniques
  • Ransomware deployment techniques and extortion tactics 
  • Actionable takeaways that can be utilized to combat ransomware threats

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Other Recommended Resources
Webinar
May 2023 TRU Intelligence Briefing On-Demand
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Webinar
April 2023 TRU Intelligence Briefing On-Demand
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Blog
Insights and Observations: U.K. Threat Intelligence Spotlight
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