Archive of posts tagged: Security
Hardware Security
Two high impact microarchitectural timing attacks were disclosed yesterday. (https://nyti.ms/2EOX03d). 10000 ft overview: This is a very intricate attack but the root cause is unflushed speculative state from the cache resulting in a timing variations. Apparently the...
Blockchains Considered Harmful: Is Brute-Force Processing Replacing Good Design?
Emerging cryptocurrencies, such as Bitcoin and Ethereum have reached market capitalizations in the billions of U.S. dollars and transactions volumes in the hundreds of millions of U.S. dollars per day according to coinmarketcap.com. The underlying technology of...
Offensive Security Research in Computer Architecture Conferences
We rarely see attack papers published in architecture conferences. What is the benefit of publishing attacks? What makes an attack paper instructive and valuable?
Freedom vs. Security in Computer Systems
Is it time to consider designing and operating computer systems with an “off-by-default” attitude to proactively defend against such attacks?
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