As Nigeria’s startup ecosystem grows, so does its reliance on cloud technologies. From fintechs to SaaS innovators, small businesses increasingly store sensitive data, run critical applications, and communicate over cloud platforms. Yet, while adoption is rapid, security practices often lag behind, leaving companies exposed to breaches that could cripple reputations and finances.

Nnennaya Halliday, a cloud security engineer at Netskope, has been sounding the alarm. “Startups are moving fast, and that’s commendable,” she says, “but speed without structure is a security risk. Many are so focused on growth metrics that they overlook the invisible gaps in their cloud environments.”

Halliday highlights human behaviour as the weakest link in cloud security. Misconfigured storage, reused passwords, and shadow IT, where employees use unauthorised apps to bypass official channels, create openings that cybercriminals exploit. “It’s not always about sophisticated malware,” she explains. “Often, breaches happen because someone clicked a link without thinking, or shared access credentials with the wrong person. These are preventable mistakes, but the culture around security in startups doesn’t always prioritise prevention.”

Her approach emphasises both technology and people. While AI-powered monitoring can flag unusual access patterns or suspicious logins, Halliday stresses that tools alone aren’t enough. “AI is powerful for detection, but it can’t replace awareness and policy,” she notes. “A startup that trains its team, enforces access protocols, and audits configurations regularly is far safer than one relying solely on automated alerts.”

Halliday’s Nigerian perspective is critical. She observes that local startups often face resource constraints, making traditional enterprise-level security solutions unrealistic. “It’s about smart, context-sensitive practices,” she says. “You don’t need an army of engineers to secure your cloud, you need disciplined processes, awareness, and selective use of technology to plug the gaps that matter most.”

Her guidance goes beyond crisis management. Halliday advises startups to adopt multi-layered defenses: strict identity and access policies, endpoint hygiene, behavioural training, and strategic AI deployment. She also encourages founders to foster a culture where reporting vulnerabilities is rewarded rather than penalised.

Looking ahead, Halliday is planning frameworks and guidelines specifically for emerging Nigerian startups. “By 2023, I intend to publish practical, scalable strategies that help small teams protect their cloud environments effectively. My goal is to make security a natural part of growth, not an afterthought.”

For the Nigerian startup ecosystem, her message is clear: rapid growth and cloud adoption bring opportunity, but without attention to human behaviour, policies, and smart monitoring, the risks are real. Halliday’s work demonstrates that leadership in cybersecurity is not just about technology; it’s about shaping practices that prevent breaches before they happen.