Mitiga Labs

Real-world research.
Where the attacks actually are.

Attack research you can run against your own environment. Mitiga Labs' researchers and responders work real breaches across cloud, SaaS, identity, third-party services, and AI. Every finding comes with the method to check your own estate.

Explore Our Research

AI & Agent Security

PromptLogger: The Hidden Exfiltration Layer in AI Instruction Files

Mitiga Labs Team

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Identity & Access

Threat Hunting & Detection

Hunting Third-Party App Abuse in Entra

Ucha Gobejishvili

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AWS

Threat Hunting & Detection

When Detection Engineering Becomes a Data Engineering Problem

Yafit Shayo

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A Skill Is Just Text.
So Is a Backdoor.

INSTRUCTION FILES YOUR AGENT READS — AND NOBODY OPENS.

Rule files, hooks, and CLAUDE.md run automatically the moment an agent loads them. Mitiga Labs found instruction files quietly recording prompts, tokens, and environment variables, then shipping them out. No malware, often no audit log.

See How it Works

Let them come

PromptLogger: The Hidden Exfiltration Layer in AI Instruction Files

A Research Report from Mitiga Labs

What We Saw in 2025.
What Comes Next.

The cloud attack campaigns and research that defined a year.

2025 was the year the threat got smarter. Attackers skipped zero-days and walked in through trusted identities, OAuth links, API chains, and lateral SaaS paths.

See How it Works

Let them come

What We Saw in 2025.
The Year the Threat Got Smarter

A Threat Intelligence Report from Mitiga Labs

From Attacks to Zero Impact

Mitiga Labs is where we take apart cloud, SaaS, identity, third-party services and AI attacks, then write what they find into the detections customers run. Those detections interrupt the next attack before it reaches the business. That's Zero-Impact Breach Prevention.

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Latest from the Labs

Explore the latest discoveries, deep dives, and technical how-tos from the Mitiga Labs team. Our research is dedicated to informing defenders and disrupting attackers.

PromptLogger: The Hidden Exfiltration Layer in AI Instruction Files

A Mitiga Labs report on PromptLoggers and exfiltration hidden in AI instruction files — six real public-repo case studies, the techniques, and how to detect them before an agent runs.

Mitiga Research Team

Hunting Third-Party App Abuse in Entra

Stolen ConnectWise app credentials gave attackers app-only access to Microsoft 365. A six-part method for hunting third-party app abuse in Entra ID.

Ucha Gobejishvili

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When Detection Engineering Becomes a Data Engineering Problem

In a security data lake, a detection can be correct and still never finish. How two months of PySpark tuning became 34 rules that cut runtime up to 60%.

Yafit Shayo

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Identity & Access

Attack Research

How Okta Passwords Can Be Compromised: Uncovering a Risk to User Data

Mitiga's research team uncovered a data risk to Okta users due to passwords that can be present in logs. This article outlines the risk and attack method.

Doron Karmi

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Google Cloud

Threat Hunting & Detection

Google Cloud Platform Exfiltration: A Threat Hunting Guide

Hunt for complex data exfiltration activities inside Google Cloud environments using Mitiga's tactical security guide built for enterprise threat hunters.

Veronica Marinov

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Google Cloud

Cloud Forensics & Logging

Google Cloud Vulnerability Management: Insufficient Forensic Visibility

Learn how Mitiga addresses Google Cloud vulnerability management with enhanced forensic visibility for GCP Storage in this latest security advisory.

Veronica Marinov

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Software Supply Chain & CI/CD

Threat Hunting & Detection

Guide: CircleCI Breach Cybersecurity Incident Hunting Guide

Learn how to investigate the CircleCI breach with Mitiga’s technical guide to assist organizational threat hunting efforts.

Doron Karmi

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Software Supply Chain & CI/CD

If It Scares You, It Might Be Good to Try — Monorepo and Dynamically Configured CI

In this blog, Mitiga Devops Engineer Stav Ochakovski addresses our organizational monorepo shift and why it triggered a CI adjustment, as well.

Stav Ochakovski

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AWS

Attack Research

Elastic IP Hijacking — A New Attack Vector in AWS

Read Mitiga research about a new post-exploitation attack method, a new way that enables adversaries to hijack public IP addresses for malicious purposes.

Or Aspir

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AWS

Attack Research

Oops, I Leaked It Again — How Mitiga Found PII in Exposed Amazon RDS Snapshots

A recent Mitiga Research Team investigation found the well-regarded Amazon Relational Database Service is leaking PII via exposed RDS Snapshots.

Ariel Szarf

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Breach & Campaign Analysis

Cloud Forensics & Logging

Uber Cybersecurity Incident: Which Logs Do IR Teams Need to Focus On?

On September the 16th, Uber announced they experienced a major breach in their organization in which malicious actor was able to log in and take over multiple services and internal tools used at Uber. What are some of the logs that IR teams should be focusing on in their investigation?

Or Aspir

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Identity & Access

Breach & Campaign Analysis

Advisory: Persistent MFA Circumvention in an Advanced BEC Campaign on Microsoft 365 Targets

Mitiga investigated an attempted Business Email Compromise (BEC) attack. While the alertness of the involved parties prevented the fraud, the attack indicated that the attacker had access to sensitive information that could only be obtained by compromising a user in the organization.

Mitiga's Research Team

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Research Team

Ariel Ainhoren

Head of Cloud Security Research

Ucha Gobejishvili

Senior Incident Responder
‍

Roei Sherman

Senior Director, Mitiga Research

Idan Cohen

Cloud Researcher
‍

Yael Ben Yair

Cloud Security Researcher
‍

Asad Saffoury

Cloud Security Researcher
‍

Oshrat Bar

Cloud Security Researcher
‍

Yafit Shayo

Cloud Security Researcher
‍

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