Establish the attack surface
Identify systems, interfaces, authentication paths and trusted relationships within the agreed test boundaries.
01 / The Service
Find Out What an Attacker Could Actually Do
Penetration testing is an authorised security assessment that simulates realistic attacks against an agreed environment to identify and demonstrate exploitable weaknesses.
Test beyond automated findings
Use specialist manual analysis and controlled exploitation to investigate vulnerability combinations and business logic.
Show what matters to the business
Translate technical findings into credible impact, remediation priorities and evidence that supports the next decision.
Testing is performed within agreed rules of engagement and with defined authorisation and safeguards.
02 / Testing Disciplines
Six Ways Into Your Business Six Areas to Test
Choose the assessment that fits your environment and exposure. Many engagements cover more than one discipline where systems and trust boundaries overlap.
Web Application Testing
Business logic, authentication, session management and application security controls.
QUESTION TO RESOLVECan an attacker misuse a legitimate workflow to access or change protected data?
API Penetration Testing
Endpoint authorisation, object access, input handling and the trust placed in clients.
QUESTION TO RESOLVECan an unauthorised caller reach data or functions the API was not meant to expose?
Infrastructure Testing
Internal or external networks, identity privileges, hosts and lateral movement.
QUESTION TO RESOLVEHow far could an attacker progress from an exposed system or user account?
Mobile Application Testing
Mobile clients, data storage, device trust and connections to backend services.
QUESTION TO RESOLVEWhat can be learned or manipulated from the app and its traffic?
Wireless Penetration Testing
Wireless configuration, access controls and proximity-based attack paths.
QUESTION TO RESOLVEWhat can someone within radio range reach or impersonate?
LLM and AI Penetration Testing
Prompt injection, model-connected tools, information exposure and access boundaries.
QUESTION TO RESOLVECould manipulated AI behaviour cross a sensitive system or data boundary?
03 / Before Testing Begins
Start With the Risk Not a Generic Test Package
An effective engagement begins with the business context, the environment to be examined and the outcomes the testing needs to support. Good scoping makes testing safer and the eventual findings more useful.
01 Which systems and business processes are in scope?
02 What authorisation, access and operational constraints apply?
03 What decisions must the report support?
Testing window, safeguards, access requirements and responsibilities are documented in the rules of engagement.
DISCOVERUnderstand the Environment
Agree business-critical assets, interfaces and dependencies.
DEFINEAgree the Test
Confirm objectives, scope, permissions and constraints.
PREPARECoordinate Delivery
Arrange access, contacts, scheduling and escalation.
04 / The Method
From Defined Scope to Validated Findings
A disciplined penetration test combines repeatable method with investigator judgement. The objective is to prove realistic security impact without treating the assessment as an uncontrolled attack.
01
Scope and authorise
Confirm assets, objectives, allowed techniques, test windows, stakeholders and rules of engagement.
TESTING DECISIONWhat may be tested and under which safeguards?Expected information: Approved scope and test parameters
02
Discover and enumerate
Map accessible attack surfaces, technologies, interfaces and candidate weaknesses.
TESTING DECISIONWhere should investigation focus?Expected information: Attack surface observations
03
Validate exploitable paths
Use manual techniques and appropriate tools to determine whether identified flaws are practically exploitable.
TESTING DECISIONWhich findings are demonstrated rather than suspected?Expected information: Verified technical evidence
04
Evaluate business impact
Assess realistic attack consequences, chained weaknesses and relevant trust boundaries within the agreed scope.
TESTING DECISIONWhich exposures create meaningful business risk?Expected information: Impact and severity rationale
05
Report and prioritise
Provide reproducible findings, supporting evidence and practical recommendations for responsible teams.
TESTING DECISIONWhat should be fixed first and why?Expected information: Technical report and remediation priorities
06
Support remediation and retesting
Clarify findings, discuss corrective options and verify selected fixes where retesting is included.
TESTING DECISIONHave the agreed security weaknesses been addressed?Expected information: Retest outcomes and remaining risks
The sequence is illustrative. Testing techniques, reporting times, remediation support and retesting are subject to the agreed engagement.
05 / Exploitation Evidence
A Scanner Finding Is a Clue Not the Conclusion
The value of an expert penetration test lies in separating theoretical weaknesses from verified attack paths, explaining the limitations of the available evidence and showing the practical implications.
AUTOMATED DISCOVERY
Potential weakness
Version signals, configuration checks and known vulnerability patterns identify areas to investigate.
Finding candidateNeeds validation
→
HUMAN-LED INVESTIGATION
Demonstrated impact
Controlled manual testing confirms conditions, exploitation paths and the real significance of a weakness.
Exploit evidenceActionable priority
Authentication and authorisation
Can someone obtain access they should not have?Examine access control paths, privilege boundaries and relevant identity controls.
Application and API logic
Can legitimate features be manipulated?Investigate business rules, object ownership and workflows that automated tools may miss.
Network and system trust
Could one compromise lead to another?Assess reachability, segmentation and escalation opportunities in the authorised scope.
Evidence and impact
What can we establish with confidence?Record reproducible findings, supporting material and the limits of the test.
Remediation guidance
Which fix changes the underlying risk?Prioritise controls and design changes based on practical exploitability.
06 / Decision-Ready Reporting01 02 03 04 05
Findings Your Engineers Can Fix and Leaders Can Understand
A useful penetration testing report should establish what was tested, what was demonstrated, how risk was assessed and what actions make sense next.
Executive risk summary
Business-relevant explanation of the assessment, material weaknesses and priorities.
Scope and methodology
Tested assets, assumptions, constraints and methods used during the engagement.
Technical findings
Reproducible evidence, affected assets, conditions and severity rationale.
Remediation recommendations
Practical guidance to remove or reduce identified security weaknesses.
Retesting outcomes
Where agreed, evidence that selected corrective actions have been reviewed.
Final deliverables and reporting formats are defined in the agreed scope.
2-sec / OFFENSIVE SECURITY
ILLUSTRATIVE REPORT STRUCTUREPenetration Test
Penetration Test
Findings & Priorities
01Assessment scope and method
02Validated attack paths
03Technical reproduction evidence
04Remediation and retesting
Illustration only · Not an actual customer report
07 / Collaborative Testing01 02 03
Independent Testing That Works With Your Teams
The best assessments combine specialist adversarial expertise with the knowledge of the people responsible for the systems and the corrective action.
Engineering and IT owners
System context, access, safe testing constraints and remediation delivery.
Security and risk leaders
Prioritisation, risk acceptance, assessment outcomes and oversight.
Development and platform teams
Root causes, secure design choices, fixes and verification.
2-secVALIDATED FINDINGS / CONCEPT
TEST REPORT / EXCERPTFrom exploit
From exploit
to resolution
01 / TEST EVIDENCEExploit path demonstrated
Evidence and impact established
02 / ENGINEERING ACTIONRoot cause identified
Recommended changes assigned
03 / VERIFICATIONFix ready for retest
Closure supported by evidence
TECHNICAL DEPTH
BUSINESS CLARITY
BUSINESS CLARITY
08 / Choosing an EngagementTARGETED MULTI-DISCIPLINE ONGOING
Testing Matched to Your Environment and Risk
Different circumstances call for different scope and cadence. The engagement should fit your systems, assurance obligations and appetite for remediation.
Focused assessment
Investigate a specific application, platform, environment or recently changed security boundary.
Broader penetration testing
Assess related environments or attack paths where compromise can move between systems.
Continuous testing
Reassess changing exposure and new functionality through an agreed ongoing assurance programme.
09 / Why 2-secEXPERIENCED TESTING BUSINESS CONTEXT FOLLOW-THROUGH
Specialist Offensive Security With Practical Remediation Focus
2-sec positions its UK penetration testing services around experienced manual assessment, evidence-led reporting and a collaborative approach to fixing vulnerabilities. Its public service portfolio covers the major testing disciplines described above.
Human judgement alongside tools
Manual investigative work helps test exploit paths, combinations of weaknesses and business logic that scanners may not establish.
Clear prioritisation
Practical exploitability and potential consequences help teams understand where to act first.
Remediation dialogue
Findings should support engineering action and, when in scope, validation of corrective work.
10 / Buyer Questions
What to Know Before Commissioning a Penetration Test
These answers clarify the test scope, differences from scanning, operational safeguards and what you should expect from the findings and follow-up.
What is penetration testing?
Penetration testing is an authorised security exercise that uses controlled attack techniques to identify and demonstrate exploitable weaknesses in agreed systems or applications.
How is penetration testing different from vulnerability scanning?
Scanning can identify potential issues at scale. Penetration testing applies investigator judgement and controlled exploitation to validate whether weaknesses can actually be abused, and what their impact could be.
Will a penetration test disrupt live services?
Testing is planned around agreed safeguards, access and scheduling, but there is never zero operational risk. Rules of engagement should define permitted techniques, escalation contacts and restrictions.
What should we include in scope?
Include the applications, infrastructure, APIs, mobile systems, wireless networks or AI components relevant to the intended assurance objective. Business criticality and system dependencies help shape the boundary.
Does penetration testing support PCI DSS or ISO 27001?
Penetration testing can supply evidence relevant to security control and assurance requirements. Whether a test meets a specific compliance obligation depends on its scope, method, timing and the applicable standard.
Will we receive help after the report?
2-sec can discuss identified weaknesses and remediation priorities. Retesting and specific advisory work should be confirmed in the agreed engagement.
11 / Your Next Move
Understand Your Attack Surface Before Someone Exploits It
Talk to 2-sec about the systems you need tested, the assurance questions you need answered and the appropriate engagement scope.
Prefer to talk first? Call the 2-sec team using the number above.