Security researchers have recently discovered a botnet with a novel defense against takedowns. Normally, authorities can disable a botnet by taking over its command-and-control server. With nowhere to go for instructions, the botnet is rendered useless. But over the years, botnet designers have come up with ways to make this counterattack harder. Now the content-delivery … Read More “Illegal Content and the Blockchain” »
Category: essays
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Early in 2020, cyberspace attackers apparently working for the Russian government compromised a piece of widely used network management software made by a company called SolarWinds. The hack gave the attackers access to the computer networks of some 18,000 of SolarWinds’s customers, including US government agencies such as the Homeland Security Department and State Department, … Read More “National Security Risks of Late-Stage Capitalism” »
Twitter was hacked this week. Not a few people’s Twitter accounts, but all of Twitter. Someone compromised the entire Twitter network, probably by stealing the log-in credentials of one of Twitter’s system administrators. Those are the people trusted to ensure that Twitter functions smoothly. The hacker used that access to send tweets from a variety … Read More “On the Twitter Hack” »
For decades, we have prized efficiency in our economy. We strive for it. We reward it. In normal times, that’s a good thing. Running just at the margins is efficient. A single just-in-time global supply chain is efficient. Consolidation is efficient. And that’s all profitable. Inefficiency, on the other hand, is waste. Extra inventory is … Read More “The Security Value of Inefficiency” »
The world is racing to contain the new COVID-19 virus that is spreading around the globe with alarming speed. Right now, pandemic disease experts at the World Health Organization (WHO), the US Centers for Disease Control and Prevention (CDC), and other public-health agencies are gathering information to learn how and where the virus is spreading. … Read More “Security of Health Information” »
Communities across the United States are starting to ban facial recognition technologies. In May of last year, San Francisco banned facial recognition; the neighboring city of Oakland soon followed, as did Somerville and Brookline in Massachusetts (a statewide ban may follow). In December, San Diego suspended a facial recognition program in advance of a new … Read More “Modern Mass Surveillance: Identify, Correlate, Discriminate” »
Presidential campaign season is officially, officially, upon us now, which means it’s time to confront the weird and insidious ways in which technology is warping politics. One of the biggest threats on the horizon: artificial personas are coming, and they’re poised to take over political debate. The risk arises from two separate threads coming together: … Read More “Artificial Personas and Public Discourse” »
I just published my third collection of essays: We Have Root. This book covers essays from 2013 to 2017. (The first two are Schneier on Security and Carry On.) There is nothing in this book is that is not available for free on my website; but if you’d like these essays in an easy-to-carry paperback … Read More “I Have a New Book: We Have Root” »
The United States government’s continuing disagreement with the Chinese company Huawei underscores a much larger problem with computer technologies in general: We have no choice but to trust them completely, and it’s impossible to verify that they’re trustworthy. Solving this problem which is increasingly a national security issue will require us to both … Read More “Supply-Chain Security and Trust” »
The trade war with China has reached a new industry: subway cars. Congress is considering legislation that would prevent the world’s largest train maker, the Chinese-owned CRRC Corporation, from competing on new contracts in the United States. Part of the reasoning behind this legislation is economic, and stems from worries about Chinese industries undercutting the … Read More “On Chinese “Spy Trains”” »