by Vanessa Teague, an Australian computer scientist, cryptographer, and security/privacy expert. (Part 2 of a 5-part series starting here) Australian elections are known for the secret ballot and a long history of being peaceful, transparent and well run. So it may surprise you to learn that the Australian state of New South Wales (NSW) is […]
How to Assess an E-voting System
Part 1 of a 5-part series If I can shop and bank online, why can’t I vote online? David Jefferson explained in 2011 why internet voting is so difficult to make secure, I summarized again in 2021 why internet voting is still inherently insecure, and many other experts have explained it too. Still, several […]
A PDF File Is Not Paper, So PDF Ballots Cannot Be Verified
A new paper by Henry Herrington, a computer science undergraduate at Princeton University, demonstrates that a hacked PDF ballot can display one set of votes to the voter, but different votes after it’s emailed – or uploaded – to election officials doing the counting. For overseas voters or voters with disabilities, many states provide “Remote Accessible Vote […]
ES&S Uses Undergraduate Project to Lobby New York Legislature on Risky Voting Machines
The New York State Legislature is considering a bill that would ban all-in-one voting machines. That is, voting machines that can both print votes on a ballot and scan and count votes from a ballot – all in the same paper path. This is an important safeguard because such machines, if they are hacked by […]
Blockchains and voting
I’ve been asked about a number of ideas lately involving voting systems and blockchains. This blog piece talks about all the security properties that a voting system needs to have, where blockchains help, and where they don’t. Let’s start off a decade ago, when Daniel Sandler and I first wrote a paper saying blockchains would be […]