Enterprise Security, Engineered

Penetration Testing & Compliance Security Experts.

Enterprise-grade cybersecurity, engineered. XeroRisk delivers CREST-certified penetration testing, adversarial red teaming, and full-stack compliance — PCI DSS QSA, ISO 27001, SOC 2, and beyond — to enterprises that can't afford to fail an audit or a breach.

Trusted by organisations worldwide

1671

public security assessments delivered

3080

critical-to-medium vulnerabilities prevented

$430B+

in assets verified across PoR audits

ISO 27001

certified

We find threats, that other miss.

Our framework integrates senior-led manual code reviews, independent Vigilant Squad validation, and exhaustive fuzzing with Echidna, Medusa, Foundry, and Chimera. By executing thousands of edge-case scenarios, we surface complex vulnerabilities and guarantee comprehensive, unbiased coverage across every attack surface.

FIG. 03.1 / DEFENSE-IN-DEPTH STACK

DEPTH OF COVERAGE →

L1 / 001 HUMAN

Senior-led manual review.

Line-by-line scrutiny by senior auditors who understand intent, economic incentives, and the protocols behind the protocol.

MethodAdversarial reading

L2 / 002 PEER

Vigilant Squad validation.

An independent second team re-audits findings without knowledge of the first review — eliminating blind spots and confirmation bias.

MethodBlind cross-check

L3 / 003 MACHINE

Extensive fuzzing at scale.

Property-based testing and symbolic execution stress contracts against thousands of generated edge cases that humans rarely imagine.

MethodComputational adversary