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Author Archives: VSO

Learn Bash or Powershell for Security Work? [closed]

Posted on February 10, 2021 by VSO

Is Bash more commonly used in security work than PowerShell? If so, why? (Now that Powershell can be used on Linux)
I tried to Google around for an answer on this, and the only questions we seem to have here are quite different, e.g.:
What… Continue reading Learn Bash or Powershell for Security Work? [closed]→

Posted in bash-scripting, PowerShell

Someone called someone else with my phone number

Posted on October 31, 2019 by VSO

Sequence of events:

I didn’t touch my phone all day (at work, busy day, know it didn’t even come out of my pocket, but was on).
5:20pm I get a call by a guy asking me who I am and why I called him at 2pm. Tell him I didn’t call him.
Imme… Continue reading Someone called someone else with my phone number→

Posted in caller ID, phone | Tagged spoofing

Facebook Knows About my Search History in Other Browsers

Posted on August 11, 2019 by VSO

I use a private IE window to browse facebook (theoretically no data stored locally). I log in to facebook maybe once every 6 months.

Two months ago, I used Chrome on the same machine to search for Dell computers, a specific … Continue reading Facebook Knows About my Search History in Other Browsers→

Posted in Facebook, privacy

Is There a Whitepaper or Explanation of ECDSA somewhere?

Posted on January 22, 2018 by VSO

Let’s say I wanted to write an implementation of ECDSA from scratch to better understand it. I can’t find a raw, non-abstract explanation anywhere. I tried tracking down the sources on the wiki article and going through some … Continue reading Is There a Whitepaper or Explanation of ECDSA somewhere?→

Posted in ecc, encryption, key-exchange

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