For web developers, IT consultants, MSPs, and software firms, two coverages do most of the work, and they are constantly confused: technology E&O and cyber. They are related, they overlap at the edges, and a tech firm usually needs both.
What technology E&O covers
Technology E&O covers failures in the technology services and products you provide: a system you built goes down, software does not perform as promised, a project fails, a managed service causes a client a loss. The claim is about the technology work itself. It is broader and more tech-specific than generic professional liability, and tech service contracts often require it by name.
What cyber covers
Cyber covers data breaches and security incidents: client data is exposed, ransomware hits, an attacker gets in. It funds breach response, notification, liability to affected parties, and often funds-transfer and social-engineering fraud. The claim is about a security or data event, not a service failure.
Why a tech firm needs both
The reason both matter is that a single serious incident can implicate both. If an MSP manages a client’s security and the client suffers a breach, the claim can allege the MSP’s service failed (tech E&O) and that data was compromised (cyber). If the firm carries only one, the loss can fall into the gap between them. That is why the two have to be coordinated, not bought in isolation.
What to do
If your firm builds, hosts, or manages client systems, treat technology E&O and cyber as a pair, confirm the contract requirements for each, and make sure the policies are coordinated so a claim does not fall between them. A coverage review checks that both are present and aligned with how you actually work.