Investigator515

Finding Factories: Using Shodan To Identify SCADA Devices Shodan is an extremely useful tool once you’ve taken the time to learn it.

Finding Factories: Using Shodan To Identify SCADA Devices

6 GHz Wireless: Engineering Critical Applications on Clean Spectrum How the 6 GHz band transforms VoIP and CCTV performance and the trade-offs you must understand before deployment

6 GHz Wireless: Engineering Critical Applications on Clean Spectrum

The Hidden Trail: How MAC Addresses Reveal Real-World Locations via OSINT In a world filled with IOT devices, wardriving is slowly making a comeback.

The Hidden Trail: How MAC Addresses Reveal Real-World Locations via OSINT

From Zero to RF Security Engineer My Learning Path into Software-Defined Radio, Spectrum Analysis, and Wireless Pentesting

From Zero to RF Security Engineer

EAP-TTLS Over Wireless: Authentication for Critical Applications Understanding EAP-TTLS vs EAP-TLS trade-offs, how authentication impacts handover time and VoIP quality, and choosing the right…

EAP-TTLS Over Wireless: Authentication for Critical Applications

Space Communications Security: Why the Final Frontier Is a Cybersecurity Battlefield An analytical look at satellite links, SDR interception risks, and the growing demand for RF-savvy security engineers

Space Communications Security: Why the Final Frontier Is a Cybersecurity Battlefield

Motorola News | Motorola's new partnership with GrapheneOS Motorola announces three new B2B solutions at MWC 2026, including GrapheneOS partnership, Moto Analytics and more.

Motorola and Graphene OS have announced a new partnership.



The odds of running Graphene OS on devices other than the Pixel just went up.



You can find out more in the official Motorola press release.

Who's ready to test their Geolocation skills?

Here's a challenge for you.

Beyond Cracking the 4-Way Handshake: How I Used hcxdumptool, Hashcat, and OSINT to Compromise a… A Complete Kill Chain: From WPA2 Handshake Capture to Router Compromise

Beyond Cracking the 4-Way Handshake: How I Used hcxdumptool, Hashcat, and OSINT to Compromise a…

Optimising Networks for High-Speed Mobile Applications Why 5GHz Wi-Fi can fail above 90 km/h, how to maintain VoIP and CCTV quality in moving vehicles, and which network architectures actually…

Optimising Networks for High-Speed Mobile Applications

How I Built a Raspberry Pi + SDR Lab to Explore the Radio Spectrum A practical, beginner-to-advanced roadmap for learning RF fundamentals, signal analysis, and wireless security at home

How I Built a Raspberry Pi + SDR Lab to Explore the Radio Spectrum

Your First SIGINT Toolkit for Under $100 Getting started can be expensive, but it doesn’t have to be.

Your First SIGINT Toolkit for Under $100

Wi-Fi and Bluetooth Pentesting in 2026: Tools, Techniques, and Real-World Risks A technical deep dive into wireless security testing, from packet injection to protocol analysis

Wi-Fi and Bluetooth Pentesting in 2026: Tools, Techniques, and Real-World Risks

Autonomous Driving Is Ready. The Wireless Infrastructure Isn’t. The Wireless Mess Impacting Autonomous Driving

Autonomous Driving Is Ready. The Wireless Infrastructure Isn’t.

How Your Car Is Snitching On You Modern automobiles log much more information than most people realise

The recent GM/ONSTAR court ruling provided plenty of interesting things to write about.

TL/DR privacy rules, f*k GM

Nothing to see here, says the US P-8A flying with no call and no reg.

Centralised Wireless Architectures: L2TP and Pseudowire Tunnels for Critical Applications Understanding when to tunnel traffic, the trade-offs between centralised control and distributed performance, and the impact on VoIP and…

Centralised Wireless Architectures: L2TP and Pseudowire Tunnels for Critical Applications

Hacker Explains How to Harden Your Home Security System & Wi-Fi Router Not a Medium member and blocked by the paywall? Read for free here.

Hacker Explains How to Harden Your Home Security System & Wi-Fi Router

Breaking a Wi-Fi Device Without Touching the Network What RF Recon, Signal Analysis, and Physical-Layer Attacks Taught Me About Security

Breaking a Wi-Fi Device Without Touching the Network

The CIA's Operation Acoustic Kitty failed because nobody stopped to ask:

"Even if we CAN make a cyborg cat, will it actually follow directions?"

Anyone who's owned a cat could have answered that question for free.

Read about it 👇


medium.com/silent-wa...

Sudoku medium.com/play-with...

Private LTE Design Guide: From Duplex Modes to Cell Planning Master the technical decisions that determine Private LTE performance: duplex modes, uplink/downlink configurations, cell sizing, and RF…

Private LTE Design Guide: From Duplex Modes to Cell Planning

OpenSourceSDRLab PortaRF - HackRF One and PortaPack H4M Combined Gadget for Mayhem Software Defined Radio PortaRF: The Ultimate Evolution of HackRF & PortaPack H4M. PortaRF has made HackRF and PortaPack together into a single PCB, offering better signals, easier assembly, and cooler looking!https://github.com/portapack-mayhem/mayhem-firmwarehttps://github.com/OpenSourceSDRLab/PortaRF

The PortaRF looks like great fun. Cleaner than the original Portapack

Hardware Review: The HackRF Portapack H2 The Portapack H2 is a great way to enter the world of radio.

Hardware Review: The HackRF Portapack H2

Nice

@mohibrehman.bsky.social & @toxsec.bsky.social are long-form content writers I follow over on Substack.

If you geek out over tech & cyber while enjoying the ocassional shitpost, you should give their work a read.

substack.com/@mohibrehman

www.toxsec.com

E is for Echo class submarine

Built in the 1950s-60s these were first generation Soviet nuclear submarines. Incredibly noisy.

The Pr.659 ECHO-I was succeeded by the improved Pr.675 ECHO-II. The notches are for missile launchers, see next post

Hey!

I'm more active here than I am on X sometimes.

This place has old Twitter vibes, but in a good way. It works nicely for writers.

From SDR to Exploit How I Used Cheap Hardware to Start Pentesting Wireless Devices

From SDR to Exploit

WiFi HaLow Review: ALFA + AsiaRF + Anjielo ALFA R(EU), Asia RF (ARFHL-AP ARFHL-UM), Anjielo 1km Extender

WiFi HaLow Review: ALFA + AsiaRF + Anjielo