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A conceptual image representing container security, such as that affected by CVE-2021-20291, discussed in this post
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New Vulnerability Affecting Container Engines CRI-O and Podman (CVE-2021-20291)

CVE-2021-20291 leads to a denial of service of the container engines CRI-O and Podman when pulling a malicious image from a registry.

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Attackers Conducting Cryptojacking Operation Against U.S. Education Organizations

  • By Ken Hsu, Vaibhav Singhal and Zhibin Zhang
  • April 8, 2021 at 12:29 PM

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5 min. read

Cover image for the Unit 42 Cloud Threat Report, 1H 2021, which covers trends in issues related to cloud security.
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Highlights from the Unit 42 Cloud Threat Report, 1H 2021

  • By Unit 42
  • April 6, 2021 at 3:00 AM

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2 min. read

This conceptual image represents containers. Container images are a simple way to distribute software – and that can include the malicious cryptojacking images discussed here.
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20 Million Miners: Finding Malicious Cryptojacking Images in Docker Hub

  • By Aviv Sasson
  • March 26, 2021 at 6:00 AM

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5 min. read

This conceptual image illustrates cryptojacking, such as the WatchDog cryptojacking compaign discussed in this blog.
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WatchDog: Exposing a Cryptojacking Campaign That’s Operated for Two Years

  • By Nathaniel Quist
  • February 17, 2021 at 6:00 AM

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16 min. read

This conceptual image covers the concept of container security. Attacks on containers, such as that of the Hildegard malware detailed here, can allow attackers access to a large amount of computing resources.
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Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes

  • By Jay Chen, Aviv Sasson and Ariel Zelivansky
  • February 3, 2021 at 6:00 AM

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Pro-Ocean: Rocke Group’s New Cryptojacking Malware

  • By Aviv Sasson
  • January 28, 2021 at 6:00 AM

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7 min. read

This conceptual image illustrates the concept of cloud providers.
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Open Source Tool Release: Gaining Novel AWS Access With EBS Direct APIs

  • By Michael Bailey
  • January 12, 2021 at 6:00 AM

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6 min. read

A conceptual image illustrating finding vulnerabilities on the web. IAMFinder is a custom open source tool that can help organizations identify information leakage in AWS accounts.
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IAMFinder: Open Source Tool to Identify Information Leaked from AWS IAM Reconnaissance

  • By Jay Chen
  • November 19, 2020 at 12:00 PM

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6 min. read

This conceptual image illustrates some of the security and configuration issues involved with the cloud, such as the issue with AWS resource-based policy APIs discussed here.
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Information Leakage in AWS Resource-Based Policy APIs

  • By Jay Chen
  • November 17, 2020 at 3:00 AM

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6 min. read

The conceptual image illustrates the idea of the risks that misconfigured IAM roles can pose for cloud workloads.
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Unit 42 Cloud Threat Report: Misconfigured IAM Roles Lead to Thousands of Compromised Cloud Workloads

  • By Jay Chen
  • October 8, 2020 at 6:00 AM

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15 min. read

This conceptual image illustrates the role of Cloud Service Providers (CSPs) in cloud security.
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Unit 42 Cloud Threat Report: CSP Findings on Logging, Encryption and Exposed Services

  • By Nathaniel Quist
  • October 7, 2020 at 6:00 AM

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7 min. read

This conceptual image illustrates the concept of misconfigurations in the cloud. IAM misconfigurations are a key concern outlined in the Unit 42 Cloud Threat Report, 2H 2020.
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Highlights from the Unit 42 Cloud Threat Report, 2H 2020

  • By Unit 42
  • October 6, 2020 at 3:00 AM

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3 min. read

This conceptual image illustrates the concept of cryptojacking, a technique used by Black-T
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Black-T: New Cryptojacking Variant from TeamTNT

  • By Nathaniel Quist
  • October 5, 2020 at 6:00 AM

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10 min. read

This illustrates the concept of container security.
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The Challenge of Persistence in Containers and Serverless

  • By Ariel Zelivansky
  • September 10, 2020 at 6:00 AM

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6 min. read

Cryptomining, as illustrated here, is one of the goals of Cetus, a cryptojacking worm.
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Cetus: Cryptojacking Worm Targeting Docker Daemons

  • By Aviv Sasson
  • August 27, 2020 at 6:00 AM

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5 min. read

A conceptual image illustrating research into Kubernetes security.
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Kubernetes Vulnerability Puts Clusters at Risk of Takeover (CVE-2020-8558)

  • By Yuval Avrahami and Ariel Zelivansky
  • July 27, 2020 at 6:00 AM

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7 min. read

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Attackers Cryptojacking Docker Images to Mine for Monero

  • By Ashutosh Chitwadgi and Rahul Rajewar
  • June 25, 2020 at 3:00 AM

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6 min. read

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Rootless Containers: The Next Trend in Container Security

  • By Aviv Sasson
  • May 26, 2020 at 6:00 AM

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6 min. read

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COVID-19 Themed Malware Within Cloud Environments

  • By Nathaniel Quist
  • May 11, 2020 at 7:54 AM

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9 min. read

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COVID-19: Cloud Threat Landscape

  • By Jay Chen
  • May 4, 2020 at 6:00 AM

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6 min. read

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Unit 42 CTR: Leaked Code from Docker Registries

  • By Jay Chen
  • February 7, 2020 at 6:00 AM

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7 min. read

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Unit 42 CTR: Sensitive Data Exposed in GitHub

  • By Nathaniel Quist
  • February 6, 2020 at 6:00 AM

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7 min. read

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Unit 42 Cloud Threat Report: Spring 2020

  • By Unit 42
  • February 5, 2020 at 3:00 AM

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3 min. read

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Attacker’s Tactics and Techniques in Unsecured Docker Daemons Revealed

  • By Jay Chen
  • January 29, 2020 at 6:00 AM

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What I Learned from Reverse Engineering Windows Containers

  • By Daniel Prizmant
  • December 12, 2019 at 6:00 AM

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8 min. read

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TrickBot Campaign Uses Fake Payroll Emails to Conduct Phishing Attacks

  • By Bryan Lee, Brittany Barbehenn and Mike Harbison
  • December 9, 2019 at 6:00 AM

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7 min. read

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Server-Side Request Forgery Exposes Data of Technology, Industrial and Media Organizations

  • By Jay Chen
  • November 26, 2019 at 6:00 AM

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9 min. read

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Docker Patched the Most Severe Copy Vulnerability to Date With CVE-2019-14271

  • By Yuval Avrahami
  • November 19, 2019 at 6:00 AM

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6 min. read

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Graboid: First-Ever Cryptojacking Worm Found in Images on Docker Hub

  • By Jay Chen
  • October 16, 2019 at 6:00 AM

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6 min. read

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Critical Vulnerability in Harbor Enables Privilege Escalation from Zero to Admin (CVE-2019-16097)

  • By Aviv Sasson
  • September 18, 2019 at 1:06 PM

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4 min. read

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Gaining Persistency on Vulnerable Lambdas

  • By Yuval Avrahami
  • September 2, 2019 at 6:08 AM

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10 min. read

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Non-Root Containers, Kubernetes CVE-2019-11245 and Why You Should Care

  • By Ariel Zelivansky
  • August 28, 2019 at 3:43 AM

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6 min. read

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Hunting the Public Cloud for Exposed Hosts and Misconfigurations

  • By Jay Chen
  • August 12, 2019 at 6:00 AM

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11 min. read

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Rocke'in the NetFlow

  • By Nathaniel Quist
  • August 1, 2019 at 6:00 AM

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Cloudy with a Chance of Entropy

  • By Unit 42
  • July 24, 2019 at 6:00 AM

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2 min. read

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Evasion of Security Policies by VPN Clients Poses Great Risk to Network Operators

  • By Stefan Achleitner and Michael Huo
  • June 26, 2019 at 9:45 AM

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4 min. read

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TCP SACK Panics Linux Servers

  • By Unit 42
  • June 21, 2019 at 7:30 AM

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Misconfigured and Exposed: Container Services

  • By Nathaniel Quist
  • June 6, 2019 at 9:00 AM

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Making Containers More Isolated: An Overview of Sandboxed Container Technologies

  • By Jay Chen
  • June 6, 2019 at 6:00 AM

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15 min. read

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Breaking Out of rkt – 3 New Unpatched CVEs

  • By Yuval Avrahami
  • May 30, 2019 at 8:05 AM

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5 min. read

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Disclosing a directory traversal vulnerability in Kubernetes copy – CVE-2019-1002101

  • By Ariel Zelivansky
  • March 28, 2019 at 7:54 AM

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5 min. read

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Breaking out of Docker via runC – Explaining CVE-2019-5736

  • By Yuval Avrahami
  • February 21, 2019 at 6:55 AM

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DarkHydrus delivers new Trojan that can use Google Drive for C2 communications

  • By Robert Falcone and Bryan Lee
  • January 18, 2019 at 10:40 AM

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Malware Used by Rocke Group Evolves to Evade Detection by Cloud Security Products

  • By Xingyu Jin and Claud Xiao
  • January 17, 2019 at 6:00 AM

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5 min. read

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Unit 42 Cloud Security Trends and Tips

  • By Unit 42
  • December 11, 2018 at 6:00 AM

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2 min. read

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Demystifying Kubernetes CVE-2018-1002105 (and a dead simple exploit)

  • By Ariel Zelivansky
  • December 9, 2018 at 7:40 AM

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6 min. read

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Xbash Combines Botnet, Ransomware, Coinmining in Worm that Targets Linux and Windows

  • By Claud Xiao, Cong Zheng and Xingyu Jin
  • September 17, 2018 at 5:00 AM

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12 min. read

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NexusLogger: A New Cloud-based Keylogger Enters the Market

  • By Josh Grunzweig
  • March 15, 2017 at 1:00 PM

2

6 min. read

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