Valtteri Lehtinen
Security Research & Curiosities | Helsinki, Finland
Category - Research
- Ripping Off Professional Criminals by Fermenting Onions
- UPnProxyChain: a Tool to Exploit Devices Vulnerable to UPnProxy
- GoIP-1 GSM gateway could be harnessed for phone fraud by hackers
- DNS records of 1% .fi domains exposed through Zone Transfers
- I made 56874 calls to explore the telephone network. Here's what I found
- What I learned of the VOIP hacker scene by setting up a SIP Honeypot