May 23rd, 2020 | 11 minute readAs a result of the global pandemic Zoom has seen an explosion in usage (going from 10M to 200M daily active users) and has received quite a bit more scrutiny into their security and privacy practices. This has caused them to get reamed in the press for a number of issues:
Continue reading "A Summary of Zoom's Bad Security Month" β
Nov 12th, 2019 | 20 minute readUPDATE 2/18/24: Check out the update to this post π
Continue reading "Detecting Manual AWS Console Actions" β
Oct 7th, 2019 | 11 minute readIn response to the recent iphone bootrom bug (and also because I was already in the market for a new phone), I recently purchased a new iPhone XR. This gave me a chance to re-run the steps required to pair lock the device, a process which prevents law enforcement from using forensics tools against your phone, and the result of which is this blog post.
Continue reading "Pair Locking your iPhone with Configurator 2" β
Feb 4th, 2018 | 17 minute readI was reading Hackernews the other day when I came upon the following tweet:
which made me curious to quantify exactly how many and which sites will have their trust removed. This blog post answers these questions by writing a scanner to detect bad Symantec certificates (using the same logic Google Chrome uses), and running it against the Alexa Top 1 Million sites. But first, some context.
Continue reading "Quantifying Untrusted Symantec Certificates" β
Jan 26th, 2018 | 13 minute readThis post describes the steps needed to deploy Certbot (a well-maintained LetsEncrypt/ACME client) inside AWS Lambda. The setup used below is now powering 100% automated TLS certificate renewals for this website - the lambda runs once a day and if thereβs less than 30 days remaining on my existing cert it will provision a new one and import it to be served by my CDN.
Continue reading "Deploying EFF's Certbot in AWS Lambda" β