// status: OPERATIONAL · target: SMB defense · Arlington, TX 76016
0x3 Security — built by hackers

Built by
H4CK3RS.
Not suits.

We think and operate like the adversary so small and medium businesses don't have to. Penetration testing, red team ops, and 24/7 managed defense — no buzzwords, no sales theater, no terminal-allergic "consultants."

$ cat whoami.txt

Hackers who use it to protect, not exploit.

Most "cybersecurity" is sold by people who've never popped a shell. We're the opposite of that — operators first, vendors never.

The mission

Expose weaknesses before criminals do and turn them into resilience. We emulate real-world adversaries with real tradecraft, then hand you prioritized, actionable fixes — not a 200-page PDF you'll never read.

Why offense wins

You can't defend what you've never attacked. Every engagement is run by people who break things for a living, mapped to MITRE ATT&CK, and delivered with proof-of-concept — not a checkbox.

Built for SMBs

The same protection Fortune 500s rely on — without the Fortune 500 price tag. Enterprise-grade defense, scaled and priced for businesses that can't afford a 50-person SOC.

No suits, no fluff

No franchise playbook. No account managers reading a script. You talk to the operators doing the work, in plain language, with answers that come from a terminal — not a slide deck.

$ ./list_arsenal --all

The arsenal.

Full-spectrum offensive and managed defense. Pick a payload.

$ cat creds

Receipts, not résumés.

Anyone can call themselves a hacker. We carry the certs that require you to actually break in.

17+ years across offensive security, physical operations, and executive protection — digital and physical attack surface, covered.

— Paul Nieto III, Founder / Principal Operator

OSCPOffensive Security Certified Pro
CRTOCertified Red Team Operator
CRTPCertified Red Team Professional
CPTSCertified Pentest Specialist
PNPTPractical Network Pentest Tester
CBBHHTB Certified Bug Bounty Hunter
CDSAHTB Certified Defensive Security Analyst
CAPEHTB Certified AD Pentesting Expert
COAEHTB Certified Offensive AI Expert
$ uname --stack

Enterprise firepower.

We run the same tools the big players do — wired together with hacker-informed playbooks.

› CrowdStrike Falcon
› NinjaOne RMM
› Flare.io OSINT
› MITRE ATT&CK
› OWASP Top 10
› SOC 2 / HIPAA / PCI / NIST
$ cat partners.txt

Our partners.

The platforms and vendors we deploy and integrate with to defend your business.

$ sudo ./initiate_contact

Find your gaps before they do.

Book a no-pressure consult with an operator. We'll tell you straight where you're exposed — and exactly what to fix first.