Latest cybersecurity reporting from selected sources.

Researchers uncovered a 230-node cloud-based email relay network after the actor PCPJack accidentally exposed tools, logs, and C2 files online A threat actor tracked as PCPJack compromised 230 cloud servers across Amazon Web Services, Google Cloud, and Microsoft Azure and turned them into a covert email relay network. Hunt.io researchers discovered the operation because PCPJack […]

AWS Researchers Find an Interlock Server Laden With ToolsRansomware hackers exploited a flaw with a maximum vulnerability score in Cisco firewall management software weeks before the networking giant disclosed the vulnerability in early March. The group has focused extensively on critical infrastructure sectors in North America and Europe.

Some weeks in security feel normal. Then you read a few tabs and get that immediate “ah, great, we’re doing this now” feeling

LLMs automated most phases of the attack A digital intruder broke into an AWS cloud environment and in just under 10 minutes went from initial access to administrative privileges, thanks to an AI speed assist.…

And it's 'not unique to AWS,' researcher tells The Reg A critical misconfiguration in AWS's CodeBuild service allowed complete takeover of the cloud provider's own GitHub repositories and put every AWS environment in the world at risk, according to Wiz security researchers.…

Misconfigured Customer Network Edge Devices' Under Fire, Warn ResearchersMisconfigured edge devices hosted in the cloud are giving nation-state hackers carte blanche to access Western critical infrastructure, warn threat intelligence experts at Amazon, who tied exploits of AWS customers' device administrator portals to Russia's GRU military intelligence agency.

In this blog entry, Trend™ Research explores how ransomware actors are shifting their focus to cloud-based assets, including the tactics used to compromise business-critical data in AWS environments.

Flaw Enabled Remote Code Execution, Say AWS ResearchersResearchers from AWS said they spotted a hacking campaign taking advantage of a zero-day vulnerability in Cisco network access control software before the routing giant patched it earlier this year. The flaw let attackers perform pre-authentication remote code execution.

Encryption protects content, not context Mischief-makers can guess the subjects being discussed with LLMs using a side-channel attack, according to Microsoft researchers. They told The Register that models from some providers, including Anthropic, AWS, DeepSeek, and Google, haven't been fixed, putting both personal users and enterprise communications at risk.…

Cybersecurity researchers have disclosed details of a new botnet that customers can rent access to conduct distributed denial-of-service (DDoS) attacks against targets of interest

A sophisticated malicious campaign that researchers call OneClik has been leveraging Microsoft's ClickOnce software deployment tool and custom Golang backdoors to compromise organizations within the energy, oil, and gas sectors. [...]

Cybersecurity researchers have discovered a malicious package on the Python Package Index (PyPI) repository that's capable of harvesting sensitive developer-related information, such as credentials, configuration data, and environment variables, among others

Cybersecurity researchers have discovered risky default identity and access management (IAM) roles impacting Amazon Web Services that could open the door for attackers to escalate privileges, manipulate other AWS services, and, in some cases, even fully compromise AWS accounts

Cybersecurity researchers have disclosed a new type of name confusion attack called whoAMI that allows anyone who publishes an Amazon Machine Image (AMI) with a specific name to gain code execution within the Amazon Web Services (AWS) account

Security researchers discovered a name confusion attack that allows access to an Amazon Web Services account to anyone that publishes an Amazon Machine Image (AMI) with a specific name. [...]

New research highlights how bad actors could abuse deleted AWS S3 buckets to create all sorts of mayhem, including a SolarWinds-style supply chain attack.

When cloud customers don't clean up after themselves, part 97 Abandoned AWS S3 buckets could be reused to hijack the global software supply chain in an attack that would make Russia's "SolarWinds adventures look amateurish and insignificant," watchTowr Labs security researchers have claimed.…

ShinyHunters-linked heist thought to have been ongoing since March Exclusive A massive online heist targeting AWS customers during which digital crooks abused misconfigurations in public websites and stole source code, thousands of credentials, and other secrets remains "ongoing to this day," according to security researchers.…

Cybersecurity researchers have discovered a malicious package on the Python Package Index (PyPI) that has racked up thousands of downloads for over three years while stealthily exfiltrating developers' Amazon Web Services (AWS) credentials

Emeraldwhale gang looked sharp – until it made a common S3 bucket mistake A criminal operation dubbed Emeraldwhale has been discovered after it dumped more than 15,000 credentials belonging to cloud service and email providers in an open AWS S3 bucket, according to security researchers.…