Cloudmark’s industry-leading messaging security software protects communications service provider networks and their subscribers against the widest range of messaging threats.

With the patented Cloudmark Security Platform™, security and control across all messaging environments are maximized to intercept and remove the ever-evolving challenges of cyber- attacks. This enables communications service providers — mobile operators, ISPs and hosting providers, and broadband providers — to create a safe user experience, protect revenue and brand, and reduce operational costs.

Cloudmark's patented solutions protect more than 120 tier-one customers worldwide, including AT&T, Verizon, Swisscom, Comcast, Cox and NTT. In the U.S., we protect 75% of all mobile subscribers.

Our partners in protecting communications service providers are many. And we’re endorsed by the GSMA, which protects the interests of mobile operators across the globe.

Our History

Founded in San Francisco Bay Area in 2001 by Vipul Ved Prakash, Cloudmark’s name was inspired by a term from Vernor Vinge’s science fiction novel, A Fire Upon the Deep, an apt reference to the language used in routing massive electronic traffic across the universe. Cloudmark has flourished in the Bay Area’s progressive setting, fueling innovation and expanding its message abuse prevention reach to offices in London, Paris, Singapore and Tokyo.

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