PCI_DSS_v4Requirement 5voice-validated
PCI_DSS_v4 R5: Requirement 5
PCI_DSS_v4
AL
Founder at SQUR · last verified 2026-10-06
Regulation text
Malicious software (malware) is software designed to infiltrate or damage a computer system without the owner's knowledge or consent. Anti-malware mechanisms must be deployed on all in-scope system components to protect against the introduction and execution of malicious software, with current detection signatures and behaviour analysis.
ATT&CK techniques this article tests · 0
| Technique | Why it maps | Confidence |
|---|
Defending mitigations · 0
| Mitigation | What it does | Confidence |
|---|
Underlying weaknesses · 7
| CWE | Why it persists | Confidence |
|---|---|---|
| CWE-434 | 0.9. Allowing arbitrary file uploads without proper validation enables attackers to introduce and execute malicious software. PCI DSS v4 Requirement 5 prevents malware introduction. | 90% |
| CWE-502 | 0.8. Insecure deserialization can lead to remote code execution, allowing an attacker to run malware on the system. PCI DSS v4 Requirement 5 prevents malware execution. | 80% |
| CWE-78 | 0.8. Command injection vulnerabilities allow attackers to execute arbitrary system commands, potentially deploying or running malware. PCI DSS v4 Requirement 5 prevents malware execution. | 80% |
| CWE-798 | 0.7. Hard-coded credentials can be exploited by malware to gain unauthorized access or escalate privileges within a system. PCI DSS v4 Requirement 5 prevents malware from gaining control. | 70% |
| CWE-20 | 0.7. Lack of robust input validation can lead to various vulnerabilities that malware can exploit for execution or data manipulation. PCI DSS v4 Requirement 5 prevents malware introduction and execution. | 70% |
| CWE-269 | 0.8. Flaws in privilege management allow malware to escalate its privileges, gaining control over critical system functions. PCI DSS v4 Requirement 5 prevents malware from damaging systems. | 80% |
| CWE-306 | 0.7. Unauthenticated access to critical functions can be abused by attackers to deploy or control malware. PCI DSS v4 Requirement 5 prevents malware introduction. | 70% |
What SQUR Covers
Web application + API pentesting for OWASP Top 10, business logic flaws, authentication bypass, injection attacks, and other application-layer vulnerabilities. €1,995 per scan, 24-hour turnaround, EU-only data.
What SQUR Does Not Cover
Internal network pentesting, endpoint security testing, physical security assessments, social engineering, or ICT third-party concentration risk reviews. Engage a complementary provider for those scope items.
Provenance
Mapped Q2.2026 using gemini-2.5-flash · €0.0195 compute · voice-rubric self-validated · 1 hallucination(s) dropped at validation