Investigator515
Investigator515

Investigator515

Writing about cybersecurity, technology, and open source intelligence strategies. Passionate about giving people the tools they need to feel empowered by technology, not overwhelmed. Did we also mention we're straight-up nerds at heart? Get the latest information on blog posts and production information via Telegram: t.me/investigator515


The 5 OSINT Mistakes You Don't Want To Make

25 Apr 2026 5 minute read 2 comments Investigator515 $0.19

Recently, the United States military would attribute Operational Security challenges to “a bunch of randos tracking planes on twitter”  Given our modern world gives us a vast array of data that we can analyse, consume and eventually, use for investig...

Hardware Review: The Nano-VNA

20 Apr 2026 3 minute read 0 comments Investigator515 $0.15

Get your own Nano-VNA thanks to Open Source SDR Lab.   Modern cybersecurity and pentesting have a literal arsenal of cool tools that are used for learning, real-world pentesting and information gathering. This is even more true when we conside...

Cold War Tech That Is Still Running

14 Apr 2026 4 minute read 0 comments Investigator515 $0.13

Sometimes, technology goes obsolete quickly. The Convair B-58 Hustler was a Mach 2-capable supersonic bomber that would see just ten years in service before being retired after its high-speed bombing role would be made redundant. While this can be an...

Why You Can't Eavesdrop On Artemis II

8 Apr 2026 6 minute read 1 comment Investigator515 $0.08

Spaceflight communications have changed dramatically since Apollo. If you’re reading this within a few days of it being published, four astronauts are currently in deep space heading back to the moon for the first time in decades. They are sending t...

5 Tools For Wireless Investigations

4 Apr 2026 6 minute read 1 comment Investigator515 $0.08

One of the best parts of Software Defined Radio is the waterfall display. Turning the radio spectrum into a true, “hear with your eyes” experience, the waterfall helps to identify signal strength, frequency and bandwidth almost instantly, creating a...

What The Tech?! Canning

1 Apr 2026 5 minute read 7 comments Investigator515 $0.16

Canned food would help humans explore and conquer the globe.It seemed to be a rough old life before the evolution of the Industrial Age and the beginnings of modern technology. Water was dirty, sanitation was poor, and while food preservation techniq...

Cyber In Space: A New Era Requires A New Strategy

27 Mar 2026 8 minute read 2 comments Investigator515 $0.04

Space is fast becoming the new frontline for in-orbit cyberwarfare As part of the Radio Hackers publication, we’ve spent plenty of time examining and discussing Cybersecurity in space-based assets. With security by obscurity the default approach for...

Bluetooth Security: What Your Devices Are Really Broadcasting

25 Mar 2026 6 minute read 0 comments Investigator515 $0.08

A Counter Surveillance Perspective on Bluetooth Vulnerabilities, Tracking, and Personal Audits No Paywall, No Problem, Read via Substack. As we’ve worked through some of the wireless fundamentals, we’ve explored the license-free ISM bands and taken a...

Modern Espionage: The IT Worker Scam

21 Mar 2026 5 minute read 2 comments Investigator515 $0.19

Fake workers earn revenue to bypass sanctions and treat data theft as an extra perk. As we’ve developed the Silent Wars publication, we’ve taken a look at several historical and Cold War-era espionage incidents that would play a key role in times of...

What The Tech?! Water Purification

17 Mar 2026 5 minute read 5 comments Investigator515 $0.09

One of the hallmarks of modern living is access to clean water and sanitation services. While earlier societies would need to live in the vicinity of clean water by default, as technology evolved, we would see water purification practices applied at...