Concept
Token theft is an attack in which an adversary steals and replays a user's session or access token, for example after adversary-in-the-middle phishing, to act as the user without needing the password or passing MFA again.
| Type | Concept |
|---|---|
| Documentation | learn.microsoft.com/security/operations/token-theft-playbook |
2025-12-19 · Video on YouTube
This episode plays out like a cybercrime thriller, exposing how today’s most dangerous breaches don’t smash doors—they’re invited inside. The investigation opens with a single click on January 12th. A polished phishing email doesn’t steal a password; it…
2025-11-30 · Video on YouTube
This episode explains how to “calm down” a messy Conditional Access setup by removing blind spots and setting clear boundaries. It walks through three main trust problems—overbroad exclusions, unclear device compliance, and token theft—and shows how to…
2025-12-03 · Video on YouTube
Your Microsoft 365 tenant might already be compromised—and your MFA is effectively useless because of one misconfiguration you’ve probably left on. In this episode, the Office of Corrective Doctrine walks you through five brutal real-world attack paths inside…
2026-07-16 · Video on YouTube
Building a successful Managed Service Provider today requires far more than device management and helpdesk support. Customers expect proactive security, cloud expertise, and modern identity protection from day one. In this episode of the M365 Show, Mirko…
2025-12-02 · Video on YouTube
MFA is not your shield – it’s already broken. In this episode, we walk the bridge of a real M365 tenant breach, step-by-step, from the attacker’s cockpit to your shattered inbox. You’ll hear how one phishing click plus an AitM proxy and a “benign” OAuth app…
2025-11-03 · Video on YouTube
This episode exposes the most significant — and often hidden — cloud security risks in Microsoft 365 and Azure. It cuts through marketing claims with real attack examples, misconfiguration failures, and lessons learned from actual incident response timelines.…
Overbroad exclusions, unclear device compliance and token theft. Each leaves gaps that attackers or user workarounds can use, which is why the episode replaces permanent exceptions with clearer boundaries. · From the episode: Fix Conditional Access Loopholes in Microsoft…
A single misconfiguration, such as broad user consent, can let attacks sidestep MFA. Consent abuse and token theft do not need the user's password or second factor again. · From the episode: Stop Teams Phishing and Social Engineering in…
An attacker proxies the sign-in, steals the session token and replays the session at scale. To the tenant it looks like a legitimate, already authenticated user, which is why MFA alone does not stop it. · From the episode: Stop Teams Phishing and Social Engineering in…
Token theft, which the guest calls a big issue at the moment and one worth investing in to defend against. The episode also stresses that Defender improves threat detection and incident response. · From the episode: Building a Secure Microsoft-First MSP
A phishing click leads to token theft, mailbox hijack and quiet SharePoint data collection at 2 a.m. No brute force is involved, just stolen tokens and consent abuse. · From the episode: Detect Microsoft 365 Attack Chains with Entra…
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Maintained by Mirko Peters (Microsoft MVP) · Last updated:
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