Verisign Labs: Patents

One of Verisign Labs’ primary goals is to guide and nurture the development of Verisign’s intellectual property portfolio throughout the company. We have developed an approach to managing our patent portfolio that ensures continued leadership in our core businesses while generating many new business opportunities.

Verisign has an unmatched record of investing in the right kind of innovation to ensure that the critical infrastructure of the internet remains secure, reliable and always available.

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DDoS Mitigation

Technology that allows Verisign to mitigate distributed denial of service (DDoS) attacks by immunising our routers from attack without adversely affecting throughput.


Here are a few examples of our patented and patent-pending innovations:


In-memory database technology that processes millions of lookups per second in a highly scalable, secure and reliable manner while simultaneously performing near real-time updates


A system that enables competition among domain name registrars by allowing multiple registrars to sell domain name registrations in the same internet top-level domain (TLD)


Technology that allows Verisign to mitigate distributed denial of service (DDoS) attacks by immunising our routers from attack without adversely affecting throughput


Techniques for maintaining system availability during large-scale attacks by selectively throttling incoming traffic rather than simply shutting down the affected services and ignoring legitimate traffic


Innovative data integrity techniques that work continuously to ensure that data in our databases is complete and correct, thereby preventing bad data from interfering with the proper operation of our provisioning systems


Auditing technology that automatically detects anomalous transactions and generates alerts to quickly stop intruders and halt malicious activity