Collaborate Disseminate
I know that PDFs can contain embedded images and Javascript.
Can a PDF contain something that tracks you? For instance, can it contain a remote image that, when the PDF is opened, will fetch that image (thus revealing the user’s IP addre… Continue reading Can a PDF embed a tracking image?
Is it possible to use Signal without revealing my phone number to others?
I’m personally using the Signal app on Android, but of course it applies to all versions, desktop and mobile.
With Telegram for example, I can pick a username and … Continue reading Signal: contact people, or have people contact me, without revealing phone number?
I’m a happy TAILS user since a while. I’ve immeditaly fallen in love with the simplicity of the installation and user experience in general: no code, minimal competences required to get everything up and runniing, and next thing you know i… Continue reading Alternatives to TAILS for anonimity on TOR unfriendly websites [migrated]
I’m developing some sort of VoIP application for mobile devices for fun.
I initially planned to rely on P2P connections only.
I didn’t want to use a relay server because I thought (1.) there would be a higher latency and (2.) this would … Continue reading Privacy in P2P vs relayed connections for VoIP
How many chains are the best?
chain_len = ?
I read somewhere at tor browser, that more than 4 is not good so I guess it applies the same to proxychains?
the default setting is chain_len = 2.
I realized this a couple of years ago, but this issue still exists.
my T-mobile always makes the interface with the DoD IP range. 26.0.0.0/8 and always take metric priority rank 0 so it always routes out my data through this tunnel, along … Continue reading What is the relation between T-mobile and the US Department of Defence (dod)
I found out today that ISPs get the IMEI code of any device connected to
them.
See a (very old) reference here: http://news.bbc.co.uk/2/hi/technology/4738219.stm
I was hence wondering: in case I connect to the web through a mobile
hotspo… Continue reading What IMEI(s) does an ISP get in case I use a mobile hotspot to connect my laptop to the web?
Quoting this paper – SmartWalk (https://dl.acm.org/doi/pdf/10.1145/2976749.2978319):
For graph privacy, strong link privacy relies on deep perturbation to
the original graph, indicating a large random walk length. However, as
the fi… Continue reading Anonymous (privacy-preserving) random walk
Other questions have been asked but not with the specific details that I have shown (no log VPN, no leaks, dynamic user agent and JavaScript disabled).
Hypothetical situation
Someone sends a threatening message via Facebook. The criminal … Continue reading How do LEA and others track no log VPN users?
I need to desensitize data for reporting. There may be some PII but nothing like SSN, mostly Name or Phone. They won’t be concatenated together anywhere. Also this is in the US with no European (or other regions) data.
Given the same k… Continue reading What hashing strategy is recommended for desensitizing reporting data?