We test your defenses before someone else does.
Devwalls Security is built to be the best cybersecurity partner you have ever worked with: expert engineers, plain-language reports and fixes we verify for free.
- Free 90-day retest
- Plain-language reports
- Remote delivery worldwide
0 days
Free retest
of every fix we report
0
Service lines
from pentest to forensics
0
Frameworks
reports map to your audit
100%
Remote
delivery worldwide
One partner, the whole lifecycle
Find it. Fix it. Prove it.
From the first test to the final retest, one team carries your security work, so nothing gets lost between a report and a fix.
- Find
- Penetration testing, red teaming and cloud review that attack the way real adversaries do.
- Fix
- Help with remediation, detection rules and incident readiness while your team works.
- Prove
- A free retest within 90 days, and evidence you can show auditors and boards.
Who we work with
Built for the people accountable for risk.
Business owners, executives, corporations, cooperatives and governments choose us for plain answers, written scope and fixes that are verified.
Protect the business you spent years building.
One breach can mean lost customers, frozen accounts and weeks of downtime. You need clear answers, not jargon.
- A plain-language report you can act on without a technical team
- Fixed scope and a clear timeline before we start
- Free retest to confirm every fix
- Awareness training so your staff stop the easy attacks
Specialist engagements designed to be acted on
5-15 days
Penetration testing
Scoped, time-boxed attempts to break in, with every vulnerability verified and documented with reproduction steps.
View engagement →
4-10 weeks
Red teaming
Objective-driven emulation of sophisticated attackers to test whether your team and tools actually detect and stop a breach.
View engagement →
10-20 days
Cloud security review
We audit your AWS, Azure or Google Cloud setup like an attacker: privilege escalation paths, open storage and blast radius.
View engagement →
Confidential
Digital investigations
Forensically sound evidence, cryptocurrency tracing, business email compromise triage and mobile forensics, documented for legal scrutiny.
View engagement →How we work
See what an attacker sees. Then close the door.
Every finding is verified by an engineer, ranked by business risk and explained in plain language. Then we check that your fix really works.
Book a scoping callFindings · sample report
- CriticalPrivilege escalation via IAM role
- HighBroken object-level authorization
- MediumVerbose errors expose stack traces
Engagement lifecycle
From first call to verified fix.
01
Scope
We agree targets, timing and rules of engagement in writing.
02
Test
Engineers attack your systems as a real adversary would.
03
Report
Findings ranked by business risk, with fixes your team can apply.
04
Retest
We verify every fix, free, within 90 days.
Security you can trust, check and repeat.
01
Free 90-day retest
Every fix we report is verified again at no extra cost.
02
Plain-language reports
A one-page summary for the board and full detail for engineers.
03
Engineers, not salespeople
You speak directly to the people doing the work.
04
Strict discretion
Confidential by default. Your findings never leave the engagement.
05
Mapped to your audit
Reports align to ISO 27001, PCI DSS, SOC 2, NIST CSF and more.
06
Built to teach
We run a training academy, so knowledge stays with your team.
Partners and ecosystem
Trusted by teams, built with a network you can rely on.
Platforms we secure
- Amazon Web Services
- Microsoft Azure
- Google Cloud
- Web applications
- APIs
- AI and LLM applications
Standards we map to
- ISO/IEC 27001
- PCI DSS
- SOC 2
- NIST CSF
- MITRE ATT&CK
- Nigeria Data Protection Act 2023
Partner with devwalls
Technology partners
Security vendors and platforms that want hands-on testing and honest findings from specialist engineers.
Start a conversation →Training partners
Universities, bootcamps and employers who want to run our cohorts or build in-house security teams.
Start a conversation →Referral partners
IT firms, auditors and consultants whose clients need security testing, defense or investigation.
Start a conversation →Security in practice
Engineers, infrastructure and the people who decide.
Digital investigations
When something has already gone wrong, we build the evidence.
A breached email account, vanished cryptocurrency, internal fraud. We recover digital evidence, trace the money and document it so it holds up in court or an insurance dispute.
- Crypto and wire tracing
- Mobile and disk forensics
- OSINT and due diligence
- Legal chain of custody
Library
Free field guides
Free guide, 200+ pages
Breaking AI: A Practical Guide to Testing LLM Applications and Agents
A hands-on guide to how AI systems are built, where they fail and how to test them responsibly, with a test-case library and sample reports.
Free guide, 246 pages
The Beginner's Guide to Bug Bounty
From zero knowledge to your first accepted report: legal ground rules, recon workflow, 12 vulnerability classes and sample reports.
Field notes and writeups
Vulnerability research · 18 min read
Dissecting CVE-2024-4577: Unauthenticated PHP CGI Argument Injection to Remote Code Execution via Windows Best-Fit Character Decoding
Threat intelligence · 19 min read
Anatomy of the Binance VIP Account Drain: Malicious Browser Extensions, AiTM Cookie Theft, and Algorithmic Cross-Trading
Red teaming · 21 min read
Breaking Linux Runtime Security: eBPF Rootkits, Syscall Interception, and Evading Modern EDR (Falco & Tetragon)
Cloud security · 17 min read
Bypassing Microsoft Entra ID Conditional Access: Primary Refresh Token (PRT) Extraction and Pass-the-PRT Exploitation
Penetration testing · 18 min read
Container Breakout to Host Takeover: Exploiting Linux Namespaces, Cgroups v2, and Kernel Credential Overwrites
Threat intelligence · 12 min read
Prompt Injection to Remote Code Execution: Exploiting Autonomous AI Agents in Enterprise Infrastructure
Penetration testing · 10 min read
Exploiting Broken Object Level Authorization (BOLA/IDOR) in Modern Financial APIs
Cloud security · 11 min read
Chaining AWS IAM Roles into Cross-Account Takeover: Privilege Escalation in Multi-Tenant Environments
Red teaming · 11 min read
Bypassing Multi-Factor Authentication: Reverse-Proxy AiTM Attacks and Session Cookie Theft in Enterprise Okta and Entra ID
Threat intelligence · 10 min read
Compromising the CI/CD Pipeline: Poisoned Pipeline Execution (PPE) and GitHub Actions Secret Exfiltration
Red teaming · 12 min read
Zero to Domain Admin: Chaining Kerberoasting, Unconstrained Delegation, and ADCS ESC8
Penetration testing · 11 min read
Kubernetes Namespace Escape: From Vulnerable Web App to Cluster Node Takeover
Advisory · 10 min read
Penetration Testing Requirements Under the Nigeria Data Protection Act (NDPA 2023): A Technical Compliance Guide
Penetration testing · 11 min read
Auditing Decentralized Payment Rails: Reentrancy, Flash Loan Oracle Attacks, and Business Logic Flaws
Academy
Learn the work, or train your team.
Tell us what worries you most. We will tell you what an attacker would try first.
A twenty-minute call is usually enough to tell whether we are the right fit. If we are not, we will say so.