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Posts tagged with: CVE-2021-26855

Top CVEs to Patch: Insights from the 2022 Unit 42 Network Threat Trends Research ReportPortion of the cover of the 2022 Unit 42 Network Threat Trends Research Report
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Top CVEs to Patch: Insights from the 2022 Unit 42 Network Threat Trends Research Report

  • By Unit 42
  • July 21, 2022 at 6:00 AM

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4 min. read

Actor Exploits Microsoft Exchange Server Vulnerabilities, Cortex XDR Blocks Harvesting of CredentialsA conceptual image representing espionage, such as the attempted (but unsuccessful) credential harvesting discussed here.
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Actor Exploits Microsoft Exchange Server Vulnerabilities, Cortex XDR Blocks Harvesting of Credentials

  • By Robert Falcone
  • April 15, 2021 at 6:00 AM

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8 min. read

Trending

  • Finding Gozi: Answers to Unit 42 Wireshark Quiz, March 2023 by Brad Duncan
  • Threat Brief: 3CXDesktopApp Supply Chain Attack by Robert Falcone
Microsoft Exchange Server Attack TimelineConceptual image representing the concept of global attackers, such as those featured in this Microsoft Exchange Server Attack timeline.
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Microsoft Exchange Server Attack Timeline

  • By Unit 42
  • March 11, 2021 at 12:10 PM

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5 min. read

Remediation Steps for the Microsoft Exchange Server VulnerabilitiesAn image representing the concept of tutorials, such as the steps laid out here for remediating the Microsoft Exchange Server vulnerabilities
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Remediation Steps for the Microsoft Exchange Server Vulnerabilities

  • By Unit 42
  • March 9, 2021 at 9:40 AM

27

4 min. read

Threat Assessment: Active Exploitation of Four Zero-Day Vulnerabilities in Microsoft Exchange ServerConceptual image representing vulnerabilities, such as the four zero-day Microsoft Exchange Server vulnerabilities discussed in this post.
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Threat Assessment: Active Exploitation of Four Zero-Day Vulnerabilities in Microsoft Exchange Server

  • By Unit 42
  • March 3, 2021 at 3:30 PM

418

6 min. read

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