Cloud-based alerting systems often struggle to distinguish between normal cloud activity and targeted malicious operations by known threat actors.
The difficulty doesn’t lie in an inability to identify complex alerting operations across thousands of cloud resources or in a failure to follow identity resources, the problem lies in the accurate detection of known persistent threat actor group techniques specifically within cloud environments.
Read more…
Source: Palo Alto Unit 42
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Microsoft says Azure was hit with a massive DDoS attack launched from over 500,000 IP addresses
November 18, 2025
Microsoft has said it successfully mitigated, “the largest DDoS attack ever observed in the cloud” after cybercriminals running the Aisuru botnet targeted a single endpoint, located in Australia. The attack was a sight to behold: more than 500,000 source IPs, across various regions, descended upon the endpoint, delivering a multi-vector Distributed Denial of Service (DDoS) attack ...
- EY exposes 4TB+ SQL database to open internet for who knows how long
October 29, 2025
A Dutch cybersecurity outfit says its lead researcher recently stumbled upon a 4TB+ SQL Server backup file belonging to EY exposed to the web, effectively leaking the accounting and consulting megacorp’s secrets. Among the BAK file’s data were API keys, cached authentication tokens, session tokens, service account passwords, and user credentials, Neo Security’s writeup explained. Read more… Source: ...
- SonicWall confirms all of its cloud backup customers were affected by data breach
October 10, 2025
All companies using SonicWall’s MySonicWall cloud backup feature have had their firewall configuration files exposed in a recent cyberattack, the company has admitted. After initially claiming “fewer than 5%” of its customer base was affected, the company has revealed the true scale of the incident. In mid-September 2025, SonicWall warned its firewall customers to reset their ...
- Model Namespace Reuse: An AI Supply-Chain Attack Exploiting Model Name Trust
September 3, 2025
Palo Alto Unit 42 research uncovered a fundamental flaw in the AI supply chain that allows attackers to gain Remote Code Execution (RCE) and additional capabilities on major platforms like Microsoft’s Azure AI Foundry, Google’s Vertex AI and thousands of open-source projects. We refer to this issue as Model Namespace Reuse. Hugging Face is a platform ...
- Storm-0501’s evolving techniques lead to cloud-based ransomware
August 29, 2025
Microsoft Threat Intelligence has observed financially motivated threat actor Storm-0501 continuously evolving their campaigns to achieve sharpened focus on cloud-based tactics, techniques, and procedures (TTPs). While the threat actor has been known for targeting hybrid cloud environments, their primary objective has shifted from deploying on-premises endpoint ransomware to using cloud-based ransomware tactics. Unlike traditional on-premises ransomware, ...
- Behind the Clouds: Attackers Targeting Governments in Southeast Asia Implement Novel Covert C2 Communication
July 14, 2025
Since late 2024, Unit 42 researchers have been tracking a cluster of suspicious activity as CL-STA-1020, targeting governmental entities in Southeast Asia. The threat actors behind this cluster of activity have been collecting sensitive information from government agencies, including information about recent tariffs and trade disputes. This campaign is particularly noteworthy due to its novel tradecraft. ...

