Sec4good

Sec4good, s.r.o. is a Prague-based boutique cybersecurity and application security company. Its services include penetration testing of applications, networks and websites, security audits, gap analyses against ISO 27001, NIS2, CRA and DORA, phishing campaigns, cloud audits, and staff and developer training. The company also develops Mungo, a tool that starts with a questionnaire, continues with an automated scan and gives prioritised recommendations, and has released Kukaczka.cz.

Customers are organisations of all sizes, with particular attention to small and medium-sized firms. The website cites work for healthcare, accounting, software and financial-sector clients, and names ČSOB and Česká spořitelna as references. Services are delivered as consultations and projects, with offerings packaged for small, medium and corporate clients.

Founded in 2023 by founders with 18+ years of experience, the company moved from fully remote work to a hybrid model with a permanent office in Prague (Strašnice) in January 2024. The website says it began foreign projects in 2024 and grew by about 50% in 2025, and it lists ongoing team expansion, including AI and certified security specialists.

Product: Penetration testing, security audits, NIS2/ISO 27001/CRA/DORA gap analyses, phishing-as-a-service, and the Mungo assessment tool.