The moment you suspect a breach, Common Defense works alongside your team to contain the active compromise, remove the attacker, and restore operations, from the first indicator through post-incident hardening.

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How we respond

01
Contain
We isolate the blast radius and cut the attacker's access before you lose more.
02
Eradicate
We remove the foothold and rotate exposed credentials, then confirm the root cause so nothing stays behind.
03
Recover
We restore operations and preserve the evidence your stakeholders need, then harden the gap so it stays shut.

Serious intrusions spread in hours. We bring red-team instinct and tested playbooks to shut them down.

Common Defense helped protect us during a severe incident, diagnosed the root cause rapidly, and set up systems in place to prevent future attacks and reassure our stakeholders. — CEO, multi-billion protocol

Built for high-value targets

Most incident-response firms are built around stolen customer data. The companies we protect have more on the line: source code, signing keys, model weights, and treasuries, with the paths to them running through identity, pipelines, and cloud. We respond to those incidents specifically.

What “recover” actually means

Getting systems back online is the easy part. You also get a clear root-cause story, the evidence the people around you need to see, and hardening so the same door won’t open again. We stay until the gap is closed.

Why not a traditional IR firm

	Typical IR firm	Common Defense
Built for	Stolen customer data	Code, keys, model weights, treasury
Watches	The app	Identity, pipelines, and cloud around it
Shows up	After the breach	With a plan before, and in minutes during
Leaves you	A report	A closed gap and hardening

Capabilities

Live Incident Response

Hands-on-keyboard response while an intrusion is live. We scope it, contain it, and get you back to normal operations.

Data-Exfiltration Response

We find what left, how, and where it went, then close the path and preserve the evidence you'll need for customers and regulators.

Ransomware Containment & Recovery

We isolate the blast radius, stop it spreading, and drive recovery, with negotiation and restoration support if you need it.

Source-Code, Key & Asset Leaks

When your most sensitive assets leak, whether source code, signing keys, model weights, or customer data, we trace it, contain it, and harden against re-exposure.

Compromised-Device Forensics

Forensic analysis of the endpoints and accounts involved, so you know the root cause, how long they were in, and how far they got.

IR Readiness

Playbooks, tabletop exercises, and pre-negotiated response, so your team executes the first hour instead of improvising it.

$300B+

Assets protected

1,100+

Security engagements

Certifiable areas

Close every gap before it becomes an incident.

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