Redscan (A Kroll Business) logo

Redscan (A Kroll Business)

London-based cybersecurity provider, now part of Kroll, delivering CREST-accredited penetration testing, managed detection and response, and incident response with a 550-strong cyber team.

Founded
2002
Team Size
500+
Geography
Global
Markets
UK, Europe, Global
Last verified: Feb 2026

About

Redscan is a well-established UK cybersecurity provider founded in 2002 and headquartered in London, acquired by global risk and financial advisory firm Kroll in March 2021. Operating as 'Redscan, A Kroll Business,' the company has grown to a team of over 550 cyber experts who collectively manage more than 3,000 security incidents and deliver over 100,000 hours of testing annually.

Redscan's penetration testing services are delivered by a CREST-accredited red team of ethical hackers holding CEH, CREST, OSCP, CISA, CISM, and Tiger Scheme QSTM certifications. Their testing portfolio covers internal and external network penetration testing, web application testing, cloud penetration testing, mobile application testing, wireless assessments, social engineering and phishing simulations, red teaming, breach and attack simulation, and ransomware preparedness assessments.

Redscan maintains CREST accreditations for penetration testing, security operations centre services, and cyber incident response, alongside ISO 27001 certification and status as an IASME-licensed Cyber Essentials certification body. They serve clients across 14 or more sectors including finance, legal, retail, transport, healthcare, energy, education, government, and technology.

Methodologies

OWASPPTESNISTCREST

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