OFFENSIVE TESTING / DEFENSIVE ENGINEERING

Find what holds.
Fix what doesn’t.

Test with an attacker’s mindset. Improve with a defender’s discipline. Xarlo turns technical risk into clear action.

Built for focused, evidence-led assessments
APPLICATIONSAPIsCLOUDINFRASTRUCTUREIDENTITY

01 / WHERE WE HELP

Security work that
gets specific.

Every engagement starts with a clear question: what needs protecting, what could go wrong, and what would a useful answer look like?

01

Web & API testing

Assess application behavior, access controls, and the paths that connect users, data, and services.

Web appsAPIsAuth
02

Cloud & infrastructure

Review exposed services, identity boundaries, and the configuration decisions that shape risk.

CloudNetworksIdentity
03

Adversary simulation

Test how people, processes, and controls respond to a realistic, agreed objective.

Red teamDetection
04

Security engineering

Turn findings into practical changes, then retest the controls that matter most.

RemediationRetesting

02 / OUR APPROACH

Real evidence.
Clear decisions.

Testing is valuable when it changes what a team does next. We connect technical observations to impact, ownership, and a fix that can be verified.

See the deliverables
01

Define the question

Agree the systems, access, limits, and outcomes that make the assessment useful.

02

Test the path

Explore how weaknesses combine across the scoped environment.

03

Show the evidence

Separate verified findings from assumptions and explain the practical consequence.

04

Confirm the fix

Retest agreed changes so the team knows what improved.

03 / WHAT YOU GET

A report built
to be used.

Leadership needs the risk in plain language. Engineers need the conditions, evidence, and a route to resolution. A useful assessment gives both.

  • ↗ A concise view of business impact
  • ↗ Evidence engineers can reproduce
  • ↗ Prioritized, practical remediation
  • ↗ Clear retest outcomes
ILLUSTRATIVE SAMPLE
FINDING 01HIGH PRIORITY

Access boundary not enforced

A user role could reach a resource outside its intended scope.

OBSERVATION

The tested boundary did not match the documented access rule.

IMPACT

Additional data could be exposed under the tested conditions.

NEXT STEP

Enforce the rule server-side and retest the affected path.

04 / COMMON QUESTIONS

Before we
begin.

What happens before testing starts?+

We agree the scope, authorization, timing, contacts, and any systems that need special care. Testing begins after those boundaries are clear.

Will we get a technical report?+

Yes. The intended deliverable includes a clear overview for decision makers and technical detail for the team responsible for the fix.

Can you verify our fixes?+

Retesting can be included in the engagement scope so the team can confirm whether agreed changes resolved the verified finding.

05 / START THE CONVERSATION

Let’s make the
next test count.

Tell us what you are building, what you want to assess, and the decision you need to make. That is enough to begin scoping.

SCOPING STARTER

  1. What system or product matters most?
  2. What changed recently?
  3. What would a useful outcome look like?
Email Xarlo [email protected]

Share your goals and a high-level scope. We will agree the assessment boundaries before testing begins.