People often contact me to ask about “the blockchain”—where the definite article ‘the‘ tells a lot about their experience with c̶r̶y̶p̶t̶o̶ blockchains. My answer will
CVE-2018-010 – Cisco Updates Advisory Regarding Critical Remote Code Execution and Denial of Service Vulnerabilities in ASA and FTD software
Summary On February 5th, 2018 Cisco updated an existing vulnerability advisory for CVE-2018-010 due to newly discovered attack vectors and because the original software fix
Audit report of IOHK’s ETC wallet
TL;DR: report download. IOHK is an engineering company that builds cryptocurrencies and blockchains for academic institutions, government entities, and corporations. Major projects of IOHK are
Blockchains: How to Steal Millions in 2^64 Operations
I’ve been reviewing the source code of a number of blockchain thingies, both for paid audits and for fun on my spare time, and I
Meltdown & Spectre Attacks on CPU Flaws
Summary On January 3rd 2018, several hardware flaws affecting modern processors were publicly disclosed by security researchers. These flaws are exploitable by attacks nicknamed “Meltdown”
Algorithms can’t be patched
Heartbleed was a disaster, but at least the software could be patched to eliminate the vulnerability. Most of the time, like with Heartbleed, vulnerabilities in crypto
