Investigator515
@investigator515.bsky.social
Investigator turned OSINT Analyst | Author | Follow for #OSINT #Defense #Infosec | Memes | NAFO ✅ | Ukraine ✅ | Disinformation 🚫 | investigator515.substack.com | 🐕🦺 > 🐈 | 🐧 > 🪟 and always, 🍍 on 🍕
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1/ 👋 Hey Bluesky and Welcome! I'm Investigator515. I explore and write about the world of #technology, warfare, and, on occasion, #Web3.
Here's a short 🧵 on what everything is all about:
Here's a short 🧵 on what everything is all about:
How I Used a $50 SDR to Unmask a Vulnerable Smart Camera Protocol
How I Used a $50 SDR to Unmask a Vulnerable Smart Camera Protocol
A hands-on breakdown of one device, one suspicious RF pattern, and the vulnerability hiding in its air interface.
radiohackers.com
December 4, 2025 at 4:02 AM
How I Used a $50 SDR to Unmask a Vulnerable Smart Camera Protocol
The RF Layer Most Pentesters Still Overlook — and Why It’s Becoming Critical
The RF Layer Most Pentesters Still Overlook — and Why It’s Becoming Critical
A structured explanation of PHY-level quirks, modulation misbehaviors, and how they expose systemic security flaws.
radiohackers.com
December 1, 2025 at 1:31 AM
The RF Layer Most Pentesters Still Overlook — and Why It’s Becoming Critical
Wireless Security for Industrial IoT: Let’s Be Practical!
Wireless Security for Industrial IoT: Let’s Be Practical!
Balancing connectivity, security, and operational requirements in industrial environments
radiohackers.com
November 30, 2025 at 7:09 AM
Wireless Security for Industrial IoT: Let’s Be Practical!
Need discounted Xmas gift ideas for nerds? Here you go.
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
The world of SDR can be daunting, so here are a few cool Christmas ideas to get you started.
radiohackers.com
November 30, 2025 at 2:45 AM
Need discounted Xmas gift ideas for nerds? Here you go.
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
WPA3 Personal: Technical Analysis for Critical Wireless Applications
WPA3 Personal: Technical Analysis for Critical Wireless Applications
Understanding if WPA3 personal can really improve critical wireless applications.
radiohackers.com
November 29, 2025 at 3:53 AM
WPA3 Personal: Technical Analysis for Critical Wireless Applications
Reposted by Investigator515
Mariupol residents are seeing their homes demolished and resold. Researcher Ilvija Bruge breaks down her investigation in our latest Bellingchat Premium episode on Patreon. www.patreon.com/posts/how-ma...
November 28, 2025 at 3:11 PM
Mariupol residents are seeing their homes demolished and resold. Researcher Ilvija Bruge breaks down her investigation in our latest Bellingchat Premium episode on Patreon. www.patreon.com/posts/how-ma...
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
The world of SDR can be daunting, so here are a few cool Christmas ideas to get you started.
radiohackers.com
November 28, 2025 at 10:06 AM
Discount Radio: Getting Started With SDR
Visualise the Invisible: Using Waterfall Displays Effectively
Visualise the Invisible: Using Waterfall Displays Effectively
The waterfall display is one of the SDR’s biggest advantages.
radiohackers.com
November 27, 2025 at 11:53 AM
Visualise the Invisible: Using Waterfall Displays Effectively
802.11r Fast Roaming: Why Milliseconds Matter in Critical Wireless Applications
802.11r Fast Roaming: Why Milliseconds Matter in Critical Wireless Applications
When a dropped connection means millions in losses, standard WiFi roaming isn’t good enough.
radiohackers.com
November 26, 2025 at 9:12 AM
802.11r Fast Roaming: Why Milliseconds Matter in Critical Wireless Applications
Need discounted Xmas gift ideas for nerds? Here you go.
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
The world of SDR can be daunting, so here are a few cool Christmas ideas to get you started.
radiohackers.com
November 26, 2025 at 2:45 AM
Need discounted Xmas gift ideas for nerds? Here you go.
Discount Radio: Getting Started With SDR
Discount Radio: Getting Started With SDR
5 Best Steps for WiFi Troubleshooting: A Technical Guide
5 Best Steps for WiFi Troubleshooting: A Technical Guide
What I learned from the last decade of radio troubleshooting. From basic diagnostics to deep packet analysis with WiFi sniffers and…
radiohackers.com
November 25, 2025 at 5:57 AM
5 Best Steps for WiFi Troubleshooting: A Technical Guide
What Happens When You Actually Pentest a Wireless Sensor?
What Happens When You Actually Pentest a Wireless Sensor?
A real-world account of the failures, surprises, and breakthroughs involved in decoding a proprietary ISM protocol.
radiohackers.com
November 24, 2025 at 6:32 AM
What Happens When You Actually Pentest a Wireless Sensor?
Getting Started with Meshtastic on Heltec V3 and LILYGO T-Beam
Getting Started with Meshtastic on Heltec V3 and LILYGO T-Beam
A friend gifted me a Heltec V3, and it immediately pulled me into the Meshtastic rabbit hole. The idea of mesh networks appeals to me…
radiohackers.com
November 23, 2025 at 6:46 AM
Getting Started with Meshtastic on Heltec V3 and LILYGO T-Beam
How I Hacked Gmail Creds at a Tech Event With a $30 Device
How I Hacked Gmail Creds at a Tech Event With a $30 Device
The story of how a tiny ESP32 made a room full of “tech people” rethink security.
radiohackers.com
November 22, 2025 at 10:07 AM
How I Hacked Gmail Creds at a Tech Event With a $30 Device
Why Every Cybersecurity Professional Should Understand the Radio Spectrum
Why Every Cybersecurity Professional Should Understand the Radio Spectrum
A research-backed argument — covering IoT growth, RF attack vectors, and the expanding role of wireless signals in modern security.
radiohackers.com
November 22, 2025 at 3:36 AM
Why Every Cybersecurity Professional Should Understand the Radio Spectrum
Important topic that isn't covered enough.
How does war reshape ecosystems? What gets damaged, lost, or overlooked? Yesterday we went into a deep dive with the Conflict and Environment Observatory @ceobs.org . Listen back by searching 'Stage Talks with Bellingcat': rss.com/podcasts/bel...
"Studying Conflict’s Impact on the Environment" with the Conflict and Environment Observatory | Podcast Episode on RSS.com
This week, we discussed a more hidden impact of war... the toll it takes on the environment. Can we estimate the scale of damage conflict can have on our natural spaces? Do we know how harmful polluti...
rss.com
November 22, 2025 at 1:40 AM
Important topic that isn't covered enough.
Understanding Radio Link Budgets: The Foundation of Reliable Wireless Communications
Understanding Radio Link Budgets: The Foundation of Reliable Wireless Communications
Why your wireless system fails (or succeeds) comes down to one critical calculation
radiohackers.com
November 21, 2025 at 2:36 AM
Understanding Radio Link Budgets: The Foundation of Reliable Wireless Communications
We built the Amsat CubeSat Simulator with PCBWay's excellent design and manufacturing services.
Did you know you can get support with your own projects?
Talk to the team to take your project from picture to prototype.
pcbway.com/g/unQ9fF
Did you know you can get support with your own projects?
Talk to the team to take your project from picture to prototype.
pcbway.com/g/unQ9fF
November 20, 2025 at 8:21 PM
We built the Amsat CubeSat Simulator with PCBWay's excellent design and manufacturing services.
Did you know you can get support with your own projects?
Talk to the team to take your project from picture to prototype.
pcbway.com/g/unQ9fF
Did you know you can get support with your own projects?
Talk to the team to take your project from picture to prototype.
pcbway.com/g/unQ9fF
Reposted by Investigator515
This is one of the clearest examples of a disordered counterpublic capturing an institution I've seen. It's nice to have your work proven on a regular basis, but also very bad.
demos.co.uk/research/ver...
demos.co.uk/research/ver...
November 20, 2025 at 7:03 AM
This is one of the clearest examples of a disordered counterpublic capturing an institution I've seen. It's nice to have your work proven on a regular basis, but also very bad.
demos.co.uk/research/ver...
demos.co.uk/research/ver...
The Radio Spectrum & The Modern Battlefield
The Radio Spectrum & The Modern Battlefield
The Electromagnetic spectrum becomes increasingly important as time passes.
radiohackers.com
November 20, 2025 at 9:52 AM
The Radio Spectrum & The Modern Battlefield
The Art of Staying Invisible Online (Without Living Like a Ghost)
The Art of Staying Invisible Online (Without Living Like a Ghost)
Modern privacy tricks that actually work.
radiohackers.com
November 19, 2025 at 5:34 AM
The Art of Staying Invisible Online (Without Living Like a Ghost)
Don't forget you can get full access to all the gear from OSSDRLab at a discounted rate.
Use the code "radiohackers" at checkout to receive 5% off if you spend over $100.
Use the code "radiohackers" at checkout to receive 5% off if you spend over $100.
OpenSourceSDRLab - Software Defined Radio Products & Solutions
OpenSourceSDRLab offers cutting-edge SDR hardware, spectrum analyzers, amplifiers, and more. Perfect for professionals, engineers, and educators looking for reliable, high-quality open-source SDR solutions. Shop now for innovation-driven technology!
opensourcesdrlab.com
November 18, 2025 at 4:54 PM
Don't forget you can get full access to all the gear from OSSDRLab at a discounted rate.
Use the code "radiohackers" at checkout to receive 5% off if you spend over $100.
Use the code "radiohackers" at checkout to receive 5% off if you spend over $100.
Reposted by Investigator515
Cloudflare ia having some issues, taking down lots of websites and services, including X (yay) and Bellingcat (boo).
November 18, 2025 at 12:07 PM
Cloudflare ia having some issues, taking down lots of websites and services, including X (yay) and Bellingcat (boo).
New WIFI Standards: Their Benefits For Industrial Applications
New WIFI Standards: Their Benefits For Industrial Applications
New WIFI eras…and which benefits critical mission applications really have?
radiohackers.com
November 18, 2025 at 5:34 AM
New WIFI Standards: Their Benefits For Industrial Applications
RTS-CTS & Industrial Critical Wireless Applications
RTS-CTS & Industrial Critical Wireless Applications
RTS/CTS in Critical Wireless Applications: Preventing Hidden Node Collisions
radiohackers.com
November 17, 2025 at 11:28 AM
RTS-CTS & Industrial Critical Wireless Applications