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PLENDE

STATIC APPLICATION SECURITY TESTING (SAST)

Static application security testing (SAST): find the vulnerability before production

Source code review combining SAST tooling with a pentester’s manual analysis. We surface the genuinely exploitable flaws, not thousands of false positives, and tell you which line to fix.

SAST tooling plus manual code reviewWe filter out false positives, real flaws remainWe point to the exact line and fixMapped to CWE and OWASP ASVS

WHY IT MATTERS

A raw SAST scanner drowns the team in false positives

Automated SAST tools produce hundreds of warnings, most of which are not actually exploitable. A team handed the raw tool output either drowns in noise or stops reading it. The value only appears once someone separates the real flaws from the noise.

A real example: among hundreds of tool alerts, one concerned a SQL query built from user input in a rarely used export function. It was the only genuinely dangerous flaw in that run. The rest were false positives that had to be dismissed by hand.

WHAT WE CHECK

From a single function to the dependencies

01
Injection in code
Places where user data reaches queries, commands and templates without control.
02
Secrets in the repo
Passwords, API keys and tokens baked into code and commit history.
03
Cryptography
Weak algorithms, home-grown implementations and misuse of crypto libraries.
04
Authorization logic
Missing or broken permission checks at the code level.
05
Dependencies (SCA)
Vulnerable libraries and third-party components in the dependency tree.
06
Dangerous functions
Deserialization, dynamic execution and other high-risk patterns.

We tailor scope to the languages and frameworks in your project.

OUR APPROACH

The tool finds candidates, a human confirms the real risk

We run SAST and SCA tools, but their output is only a starting point. A pentester goes through the candidates, dismisses false positives and confirms which flaws are genuinely reachable from the user-data path.

We look at the code through an attacker’s eyes, not just the tool’s rules. That is why the report contains flaws that can actually be exploited, each referenced to a specific line with a proposed fix.

COMPLIANCE

Part of a secure development lifecycle

Code review supports the secure software development requirement present in regulations and standards.

DORA / NIS2
Security in the development lifecycle as part of ICT risk management.
ISO 27001
Secure development (A.8) as a required part of the system.
OWASP ASVS
Verifying code against specific application security requirements.

STANDARDS & CERTIFICATIONS

We work to recognized methodologies, not gut feeling

Every project is run by certified pentesters and based on public standards. That makes the result repeatable, auditable and comparable across vendors.

Team certifications
OSCPOSCPOffSec
OSEPOSEPOffSec
OSWEOSWEOffSec
OSEDOSEDOffSec
OSWAOSWAOffSec
OSWPOSWPOffSec
BSCPBSCPPortSwigger
CPTSCPTSHack The Box
CBBHCBBHHack The Box
CWEECWEEHack The Box
CRTOCRTOZero-Point Security
CREST CRTCREST CRTCREST
CREST CPSACREST CPSACREST
ISO 27001 LAISO 27001 LAISO/IEC
Azure Security EngineerAzure Security EngineerMicrosoft
Security Operations AnalystSecurity Operations AnalystMicrosoft
Security AdministratorSecurity AdministratorMicrosoft
OSCPOSCPOffSec
OSEPOSEPOffSec
OSWEOSWEOffSec
OSEDOSEDOffSec
OSWAOSWAOffSec
OSWPOSWPOffSec
BSCPBSCPPortSwigger
CPTSCPTSHack The Box
CBBHCBBHHack The Box
CWEECWEEHack The Box
CRTOCRTOZero-Point Security
CREST CRTCREST CRTCREST
CREST CPSACREST CPSACREST
ISO 27001 LAISO 27001 LAISO/IEC
Azure Security EngineerAzure Security EngineerMicrosoft
Security Operations AnalystSecurity Operations AnalystMicrosoft
Security AdministratorSecurity AdministratorMicrosoft
Methodologies
OWASP Code Review GuidePTES
Verification standards
OWASP ASVS 5.0.0CWE
Scope
SASTSCA (dependency analysis)Manual code review

We share the full list of certifications and standards on request, together with a sample test scope.

HOW WE DO IT

A repeatable code review process

01
Scoping
We define repositories, languages and critical modules before we start.
02
Tool analysis
We run SAST and SCA to gather candidates for verification.
03
Manual review
We confirm real flaws and dismiss false positives.
04
Risk assessment
We map findings to CWE and ASVS and set priorities.
05
Report and retest
We deliver a report with fixes and, after deployment, confirm they work.

EVIDENCE

Numbers behind every promise

Every test is run by certified pentesters, and we document the result with reproduction steps, evidence and a verified remediation path. Proof, not a promise.

500+
security tests and audits completed
5.0
average score from 10 verified Clutch reviews
20+
offensive certifications across the team
01
Certified team
20+ offensive certifications across the team (OSCP, OSEP, OSWE, CREST). Tests are run by our people, not anonymous subcontractors.
02
Manual testing
We work by hand to PTES and OWASP, chaining seemingly small flaws into a real, proven attack path.
03
Evidence, not a promise
Every finding comes with reproduction steps and a working proof. A report that holds up in front of an auditor.
04
Retest included
After fixes are deployed we confirm in writing that the gaps are closed. We do not vanish once the PDF is sent.

KNOWLEDGE

Source code review in practice

What a code review is, and what a penetration test is

A source code review analyzes the application from the inside: we read the code and see vulnerabilities that are hard or impossible to detect from the outside. It complements a penetration test, which looks at the running system from an attacker perspective.

Access to the code gives a fuller view of causes, not just symptoms. Instead of guessing why something is vulnerable, we point to the exact file, function and line where the problem sits.

How we combine tools with manual analysis

SAST tools quickly scan large code bases, but they generate many false positives and do not understand business logic. So we treat their output as a starting point, not a final result.

We manually verify every significant finding, judging whether it is genuinely exploitable in the application context. We also analyze data flows, authorization and the places where automation gets lost.

What the code reveals that the outside hides

The code exposes embedded secrets, weak cryptography, unsafe use of queries and deserialization, and flaws in permission logic. Some are almost invisible during a black-box test, because they cannot be triggered without knowing the internals.

We also check dependencies and third-party libraries, which are often the weakest link. A known vulnerability in a third-party component can open the application even if your own code is written correctly.

What you get and when to run a review

The report maps every finding to a specific piece of code, with a risk rating and a remediation recommendation a development team can understand. Where possible, we point out a pattern to fix in many places at once.

A code review is worth building into the development cycle: on significant changes, before releasing critical features and as a security gate in CI. The earlier we find a flaw, the cheaper it is to fix.

FAQ

Common questions

Do you need source code?

Yes. SAST is a code review, so we need repository access. Everything is covered by an NDA.

Which languages do you support?

The most common backend and frontend languages. We confirm the exact scope during scoping.

How is SAST different from an app test?

SAST analyzes the code from the inside, a pentest attacks the running app from the outside. Combining both gives the best result.

Is the retest included?

Yes. After fixes ship we re-verify the indicated places in the code.

RELATED

Related reading

CASE STUDIES

Case studies in this area

REFERENCES

“The project was delivered professionally and on time, with a strong grasp of both technology and business. We were impressed by their cybersecurity expertise and partnership approach.”
M
Mateusz Widenka
Head of Delivery, Order Group
Clutch★★★★★5.0 · 10 reviewsRead all reviews on Clutch

FIRST STEP

Start with a free consultation

Tell us what you want tested. Within 24 hours you get a proposed scope and next steps. You talk to a consultant who understands the technical side, not a salesperson.

Get in touch
No obligation · we reply within 24 h · your data stays confidential
Methodology
PTES · OWASP
Team
20+ certifications
Rating
5.0 on Clutch
What you get
A scope proposal matched to your risk
A report with evidence and reproduction steps
Remediation priorities by real impact
A retest after fixes are deployed
Asia, ElementricaKacper, ElementricaGrzesiek, Elementrica
A member of our team runs the call, and we reply within 24 hours. No bots, no call center.