Practical penetration testing research.
CVE walkthroughs, attack-chain breakdowns and UK compliance guides from the EJN Labs team. Long-form, technical, free.
The Best AI and LLM Penetration Testing Companies in the UK (2026)
The best AI and LLM penetration testing companies in the UK for 2026 are listed below. Each one holds a CREST penetration testing accreditation and publishes a dedicated AI or LLM testing page, and each is
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The Best VAPT Companies in the UK (2026)
10 MIN ·VAPT means vulnerability assessment and penetration testing: an automated scan for known weaknesses, followed by…
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BLOGMicrosoft 365 App Certification: The Annual Penetration Test Requirement Explained
7 MIN ·Microsoft 365 App Certification requires an annual, independent penetration test. UK scope, process and cost,…
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The Best Penetration Testing Companies for UK Adtech and Martech (2026)
9 MIN ·The best penetration testing companies for UK adtech and martech in 2026 are listed below.…
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Penetration Testing Cost for UK Adtech and Martech Platforms (2026)
8 MIN ·A penetration test for a UK adtech or martech platform typically costs £3,300 to £36,400…
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Who Asks an Adtech or Martech Platform for a Penetration Test, and What Do They Ask For?
9 MIN ·No rule names a penetration test for an adtech or martech platform. The ask comes…
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The Best Internal Network Penetration Testing Companies in the UK (2026)
10 MIN ·The best internal network penetration testing companies in the UK for 2026 are listed below.…
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The Best External Penetration Testing Companies in the UK (2026)
9 MIN ·The best external penetration testing companies in the UK for 2026 are listed below. Each…
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The Best Penetration Testing Companies for UK Insurance Firms (2026)
8 MIN ·The best penetration testing companies for UK insurance firms in 2026 are listed below. Each…
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Penetration Testing Cost for UK Insurers, Brokers and MGAs (2026)
7 MIN ·A penetration test for a UK insurer, broker or MGA typically costs £4,400 to £47,600…
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FCA, PRA and Lloyd’s: Do Insurers Need a Penetration Test?
10 MIN ·No rule from the FCA, the PRA or Lloyd’s tells an insurer, broker or MGA…
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