The skills sought depend on the type of mission, but several families of expertise appear regularly in cybersecurity tenders.
Technical skills are essential for missions related to infrastructure, cloud, networks, applications, industrial environments, detection tools, or penetration testing. Companies may look for knowledge of firewalls, SIEM, EDR, Azure, AWS, or Google Cloud environments, Zero Trust architectures, network protocols, application vulnerabilities, or attack methods.
Methodological skills are also very important. A cybersecurity consultant must know how to structure an analysis, conduct an audit, formalize recommendations, prioritize risks, produce actionable deliverables, and support the implementation of action plans.
Regulatory and sector-specific skills are increasingly in demand. Companies expect providers to understand requirements related to GDPR, NIS2, ISO 27001, DORA, internal policies, or constraints specific to their industry. In some environments, knowledge of banking, industrial, public, health, or energy challenges can become a differentiating factor.