William Chalk is a freelance cybersecurity journalist and senior security researcher at Top10VPN, an independent digital rights group. Top10VPN publishes proprietary research and reviews VPN services to help millions of citizens in over 190 countries find the tools to protect their privacy online.

An IDG Contributor and CSO Columnist, he’s been a regular guest author for leading technology, news, and security publications including CSO Online, Hackernoon, Information Age, Channel News Asia, and The Diplomat.

Passionate about protecting digital liberties, he writes about the intersection of technology and politics: covering developments in internet governance, cybersecurity, censorship, and online freedoms in the Asia-Pacific region.