Identity attacks are bypassing EDR: what should MSPs change?

TL;DR: Attackers are increasingly logging in with stolen passwords, compromised MFA sessions, OAuth tokens, and phishing rather than deploying malware, which makes identity the primary attack surface and leaves EDR blind to many modern intrusion paths, according to Blackpoint Cyber. The security model is shifting from endpoint containment to identity-layer detection, because the decisive control point is now authentication and session abuse.

Editorial analysis by NHI Mgmt Group, based on content published by Blackpoint Cyber: “Identity Is the New Perimeter: Why MSPs Can No Longer Rely on EDR Alone”.

By the numbers:

• High-confidence identity attacks can be contained in as little as 21 seconds.

Key questions

Q: What breaks when EDR is the main defense against identity-based attacks?

A: EDR breaks down when the attacker does not need malware at all.

Q: Why do stolen credentials make lateral movement easier in enterprise environments?

A: Stolen credentials preserve the trust relationships already mapped into the environment.

Q: How can security teams know whether identity controls are actually reducing breach impact?

A: Look for evidence that suspicious accounts are contained fast, active sessions are terminated, and privileged access is limited to the smallest possible set of systems.

Practitioner guidance

• Harden technician and support identities Restrict MSP technician accounts to the minimum delegated access needed for each client, and separate administrative scopes by environment so a single compromise cannot traverse every tenant.
• Instrument identity-layer detection Collect cloud identity, SaaS, and session telemetry alongside endpoint events so suspicious logins, token misuse, and mailbox-rule changes can be correlated in one response path.
• Reduce response time to identity compromise Automate containment steps for high-confidence identity abuse, including account suspension, active session termination, and forced password reset, before the attacker completes lateral movement.

Bottom line: Identity attacks now bypass many EDR assumptions because the attacker can operate through valid credentials and trusted SaaS sessions.

Explore further

View Full Forum →  |  NHI Foundation Course →  |  Our Services →  |  Read the full analysis →