Acoustic: Solving a CyberDefenders PCAP SIP/RTP Challenge with R, Zeek, tshark (& friends)

Hot on the heels of the previous CyberDefenders Challenge Solution comes this noisy installment which solves their Acoustic challenge. You can find the source Rmd on GitHub, but I’m also testing the limits of WP’s markdown rendering and putting it in-s… Continue reading Acoustic: Solving a CyberDefenders PCAP SIP/RTP Challenge with R, Zeek, tshark (& friends)

Packet Maze: Solving a CyberDefenders PCAP Puzzle with R, Zeek, and tshark

It was a rainy weekend in southern Maine and I really didn’t feel like doing chores, so I was skimming through RSS feeds and noticed a link to a PacketMaze challenge in the latest This Week In 4n6. Since it’s also been a while since I’ve done any serio… Continue reading Packet Maze: Solving a CyberDefenders PCAP Puzzle with R, Zeek, and tshark

New TabularData Available in Swift on macOS Monterery (et al)

WWDC 2021 is on this week and many new fun things are being introduced, including some data science-friendly additions to the frameworks that come with Xcode 13 and available on macOS 12+ (and its *OS cousins). Specifically, Apple has made tabular data… Continue reading New TabularData Available in Swift on macOS Monterery (et al)

Using the new Plot Javascript Exploratory Visualization Library Sans-Observable

The fine folks over at @ObservableHQ released a new javascript exploratory visualization library called Plot last week with great fanfare. It was primarily designed to be used in Observable notebooks and I quickly tested it out there (you can find them… Continue reading Using the new Plot Javascript Exploratory Visualization Library Sans-Observable

Making macOS Universal Apps in Swift with Universal Golang Static Libraries

There are a plethora of amazingly useful Golang libraries, and it has been possible for quite some time to use Go libraries with Swift. The advent of the release of the new Apple Silicon/M1/arm64 architecture for macOS created the need for a new round … Continue reading Making macOS Universal Apps in Swift with Universal Golang Static Libraries

Avoiding The mdls Command Line Round Trip With swiftr::swift_function()

The last post showed how to work with the macOS mdls command line XML output, but with {swiftr} we can avoid the command line round trip by bridging the low-level Spotlight API (which mdls uses) directly in R via Swift. If you’ve already played with {s… Continue reading Avoiding The mdls Command Line Round Trip With swiftr::swift_function()

Avoiding The mdls Command Line Round Trip With swiftr::swift_function()

The last post showed how to work with the macOS mdls command line XML output, but with {swiftr} we can avoid the command line round trip by bridging the low-level Spotlight API (which mdls uses) directly in R via Swift. If you’ve already played with {s… Continue reading Avoiding The mdls Command Line Round Trip With swiftr::swift_function()