Network-Level Threat Filtering for Telecom Operators and Their Subscribers

cyan, operating as cyan Digital Security and part of the cyan Security Group, is an Austrian cybersecurity vendor headquartered in Vienna. It sells protection that internet and mobile operators, banks, insurers, and fintechs resell to their own end customers, usually white-labeled under the partner's brand rather than cyan's. One of its first products was built with T-Mobile Austria to keep children away from inappropriate mobile content, and the business has stayed operator-centric since.

The foundation is a proprietary threat intelligence engine that categorizes domains at scale and maintains a continuously updated database of malicious and unwanted destinations. The network products, OnNet Core and OnNet Plus, are integrated directly into the carrier network, so subscribers are filtered at the gateway with nothing installed on their devices; the company puts typical implementation at six weeks. OnDevice covers the endpoint side, shipped either as an SDK or a standalone app, with a child protection variant for parental controls.

For smaller organizations, cyan Guard 360 packages the same intelligence for small and medium businesses with no security staff of their own. Because the offering reaches end users through partners rather than direct sales, the commercial emphasis falls on branding, billing integration, and short deployment cycles for operators adding security as a revenue line. Recent growth has come through carrier and channel partnerships in Europe and overseas markets.