Defcon 21 - The Secret Life of SIM Cards

Why HN readers recommended it

HN cites it as the go-to overview of what SIM cards can run and do, usually in threads about Java Card, SIM attacks or phone security.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

HackersOnBoard

Topic

sim card internals

Format

talk

Level

intermediate

HN recommenders in dataset

3

HN mentions in dataset

12

Recommendation years in dataset

2014–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Seeing the ShadySIM project mentioned on that page reminded me of this DEFCON talk, which talks about some of the capabilities of the SIM OS (some of them run Java!) and what power they grant you over phones if you have control over the underlying …

• This video from defcon gives a good overview of what Java Card applets is, the limitations and what it can do: [VIDEO]

• There was one really good talk about from black hat or defcon [1] but there's also this [2] which seems more thorough so I'm gonna watch it too later. I happen to have a friend who writes software for simcards so that's what really was …