PinnedJonathan PeysterinTales From DecryptHere Be Dragons Eyes: Mapping Dahua and Hikvision Surveillance Equipment Across AmericaAn internet scanning assessment of Chinese IoT usage in the U.S. in the age of the Secure Equipment Act7 min read·Jun 8, 2023----
Jonathan PeysterinTales From DecryptThe Internet’s GeographyMaking sense of the internet as a physical entity using sensor data from IODA, GreyNoise, and Shodan4 min read·May 4, 2023----
Jonathan PeysterinTales From DecryptDecrypting Ransomware’s EraIn 1989, a British evolutionary biologist named Dr. Joseph Popp distributed a floppy disk through a mailing list with the title “AIDS…3 min read·Mar 10, 2023----
Jonathan PeysterinTales From DecryptAppGPT: Generating functional cybersecurity tools with user interfaces from natural language…There was a time when I took pride in what I could do in cybersecurity without coding but Streamlit changed this for me because it finally…6 min read·Mar 9, 2023----