Security you can prove, so the business can move.

Every year, more budget.
Same unknown risk.

OSec is an offensive security firm. We test your security the way real attackers do — continuous testing from Incenter, our CTEM platform, and hands-on attacks from senior operators. In 15 years, 92% of our engagements have surfaced a critical flaw. That’s proof you can take to the board.

Trusted from the Fortune 50 to two-person startups

Clients include

WalmartDisneyCitiNHSMarvelCox EnterprisesE*TRADENOAAUN WomenZapposShufflrrKIND
TeleperformanceThe Public TheaterAXIS CapitalJCPenneyFedDataFNZFFL PartnersNCR AtleosAMI
Not sure what you need?

Three questions. A straight answer.

Tell us where you’re worried and what shape you’re in. We’ll point you to exactly what we’d suggest — and why.

Answer three questions →

Three questions · about thirty seconds

The half nobody owns

You bought protection.
You’ve never watched it work.

That’s the job we take. One team that tests everything meant to protect you, proves what holds, and fixes what doesn’t — so you can grow, ship, and say yes, already knowing what’s covered.

Your risk in three numbers:
likelihood, cost, and the one fix that has the most impact

Scored in the context of your business, so the priorities you see are actually yours.

From an actual engagement, anonymized

Likelihood
72
0255075100%
72%
Know how urgent this really is, and act on evidence, not instinct.
Cost
$4.9M
$0$1M$2M$3M$4M
$4.9M
Make the case for security in one number your CFO will sign off on.
Lever
81
95
0255075100%
81 95%
Put your next dollar where it works hardest: one move halves your breach risk.

Findings are cheap now. Answers are the point.

847 alerts → 23 real
01Noise ReductionIncenter

847 alerts. 23 that matter.

No triage queue, no false-positive chase. Only what an attacker could actually use.

02ContextIncenterExpert Services

Scored against your business.

An RCE on an isolated test box isn’t an RCE on your payments infrastructure. We rate the systems you run.

03Expert Human WorkExpert Services

The work no model can do.

Red team, purple team, OT/ICS, AI/LLM, novel exploitation, run by people who do only this, with attacker tools in hand.

04Workflow SupportIncenter

From found to fixed.

Routed to owners, tracked to remediation, evidenced for the audit, inside the tools your team already uses.

92%
Engagements that surfaced a critical issue
15
Years against real adversaries
95%
Customer retention

Numbers you can repeat in a boardroom, and stand behind everywhere else.

The platform and the people, proven.

Continuous platform Incenter
480K

endpoints tested continuously, plus zero-days the scanners missed.

Cox Enterprises runs Incenter, our continuous threat exposure management (CTEM) platform, across a footprint serving 6.5M homes and businesses. Findings reported as they're discovered: no waiting for an end-of-engagement report.

David McLeod · VP / CISO, Cox Enterprises

Read the Cox study →
Expert services Red team
12 days

to full global data access. No alerts, every control bypassed.

A $100B+ global retailer asked if a cyberattack could destroy them. Four operators chained physical and digital across stores, past $329M of security spend, undetected.

Sector: RetailTeam: 4Duration: 8 wks

Read “Death by 1,000 Cuts” →

Get security right, and you get to be fearless about everything else.

Thirty minutes with a senior operator.

Bring your hardest question. Leave knowing where you actually stand.

Book the call →

On a budget? Seven free moves you can make today →

Not sure you need us at all? Read “Don’t work with us” →

Book a 30-min call