The post-quantum future: challenges and opportunities
2022-02-25
The story and path of post-quantum cryptography is clear. But, what are the future challenges? In this blog post, we explore them...
The blog is under scheduled maintenance until Friday, 30 August 2024. For any issues, email [email protected].
San Francisco
Nick Sullivan was Head of Research (& Cryptography) at Cloudflare until 2023. He is passionate about improving security and privacy through cutting-edge research and the development of open standards.
https://crypto.dance
2022-02-25
The story and path of post-quantum cryptography is clear. But, what are the future challenges? In this blog post, we explore them...
2021-10-10
What Cloudflare Research has been up to for the last two years....
2021-03-27
TLS key compromise is a risk for all web services. Taking lessons from Heartbleed, Cloudflare offers the latest features that make key compromise less of a risk....
2020-12-11
As quantum computing continues to mature, research and development efforts in cryptography are keeping pace. We’re working with academia and industry peers to help create a new set of cryptography standards that are resilient to attack from quantum computers....
2020-12-08
Today, we’re making several announcements around improving Internet protocols with respect to something important to our customers and Internet users worldwide: privacy....
2020-11-13
Researchers from UC Riverside and Tsinghua University found a new way to revive a decade-old DNS cache poisoning attack. Read our deep dive into how the SAD DNS attack on DNS resolvers works, how we protect against this attack in 1.1.1.1, and what the future holds for DNS cache poisoning attacks....
2019-11-01
Time flies. The Heartbleed vulnerability was discovered just over five and a half years ago. Heartbleed became a household name not only because it was one of the first bugs with its own web page and logo, but because of what it revealed about the fragility of the Internet as a whole....
2019-11-01
Today we’re happy to announce support for a new cryptographic protocol that helps make it possible to deploy encrypted services in a global network while still maintaining fast performance and tight control of private keys: Delegated Credentials for TLS. ...
2019-10-27
Halloween season is upon us. This week we’re sharing a series of blog posts about work being done at Cloudflare involving cryptography, one of the spookiest technologies around....
2019-09-18
Cloudflare’s mission is to help build a better Internet. One of the tools used in pursuit of this goal is computer science research. We’ve learned that some of the difficult problems to solve are best approached through research...
2019-09-13
Today has been a big day for Cloudflare, as we became a public company on the New York Stock Exchange (NYSE: NET). To mark the occasion, we decided to bring our favorite entropy machines to the floor of the NYSE....
2019-06-16
The Internet is an extraordinarily complex and evolving ecosystem. Its constituent protocols range from the ancient and archaic (hello FTP) to the modern and sleek (meet WireGuard), with a fair bit of everything in between. ...
2018-09-17
The Internet is an amazing invention. We marvel at how it connects people, connects ideas, and makes the world smaller. But the Internet isn’t perfect. It was put together piecemeal through publicly funded research, private investment, and organic growth that has left us with an imperfect tapestry....
2018-08-10
TLS 1.3 (RFC 8446) was published today. This article provides a deep dive into the changes introduced in TLS 1.3 and its impact on the future of internet security....
2018-03-23
Certificate Transparency (CT) is an ambitious project to help improve security online by bringing accountability to the system that protects HTTPS. Cloudflare is announcing support for this project by introducing two new public-good services....
2017-12-26
Upgrading a security protocol in an ecosystem as complex as the Internet is difficult. You need to update clients and servers and make sure everything in between continues to work correctly. The Internet is in the middle of such an upgrade right now. ...
2017-11-09
Cloudflare supports Privacy Pass, a recently-announced privacy-preserving protocol developed in collaboration with researchers from Royal Holloway and the University of Waterloo. ...
2017-09-26
Today we announced Geo Key Manager, a feature that gives customers control over where their private keys are stored with Cloudflare. This builds on a previous Cloudflare innovation called Keyless SSL and a novel cryptographic access control mechanism....
2017-07-10
At Cloudflare our focus is making the internet faster and more secure. Today we are announcing a new enhancement to our HTTPS service: High-Reliability OCSP stapling....
2017-07-06
The Internet is getting more secure every day as people enable HTTPS, the secure version of HTTP, on their sites and services....