PIN – Personal Identification Numbers

Elric sits at his mahogany desk, the clicking of his mechanical keyboard echoing in the quiet basement.  He’s drafting the “Technical Addendum” for the journalist’s exposé.  He knows that to the public, a PIN is just a nuisance — four digits standing between them and a phone call.  But the PIN is the final line of Read More …

SIM – Subscriber Identity Module

The silver-haired man stood before a group of six wide-eyed interns.  Elric didn’t give many lectures these days, but he enjoyed the look on their faces when he dismantled their assumptions about the “simple” tech in their pockets.  He held up a tiny, clear specimen jar.  Inside was a gold-contact chip, stripped of its plastic carrier.  Read More …

MSI – Mobile Subscriber Identity

The year is 2004, and the basement air is cool and smells of ozone. Elric runs a finger over a freshly printed stack of business cards on his mahogany desk. They read Brickwall Security. It’s a name that reflects his philosophy: a solid, unyielding barrier between his clients and the chaos of the burgeoning digital Read More …

Understanding 5G Networks

Elric is sixty-four now. The silver in his hair matches the brushed aluminum of the high-end server racks in his climate-controlled “War Room.” He doesn’t use a blue box anymore—his tools are written in Rust and Go, but the glint in his eye is the same one he had back in ’82 when he first Read More …

The AI Stack as seen by Google

This hierarchical view can be a great way to understand how the different components work together to deliver AI solutions within Google’s stack. 1. Infrastructure Layer The foundational infrastructure layer is the bedrock of the entire AI stack, serving as the essential engine that provides the physical and virtual resources necessary to power sophisticated AI Read More …

PSTN – Public Switched Telephone Network

The year is 1982. The air in Elric’s bedroom is thick with the scent of solder and stale coffee. The rhythmic click-clack of a nearby Teletype machine provides the soundtrack to his late-night explorations.  To most, a telephone is a plastic object on a kitchen wall. To Elric, it is a gateway to the Public Switched Read More …

GMSC – Gateway Mobile Switching Center

The GMSC is a specialized type of Mobile Switching Center (MSC) that serves as a gateway between a mobile network and other networks, such as the Public Switched Telephone Network (PSTN) or other mobile networks.  Its primary function is to facilitate communication between mobile users and users on different networks, enabling calls and data transfers Read More …

AuC – Authentication Center

In the rapidly evolving world of mobile technology, security is a paramount concern. One of the key components that help maintain this security is the Authentication Center (AuC). For those new to mobile technology, understanding the role of the AuC can provide valuable insights into how mobile networks protect user data and ensure secure communication. Read More …

Democracy Erosion: Tech and Totalitarianism

GOP government pressure on Big Tech to suppress transparency tools and the targeted harassment of academics, shows a dangerous path away from democracy toward a techno-plutocracy and, ultimately, a totalitarian state.  The core concern is the administration’s active efforts to control the flow of information and eliminate checks on its power. Controlling Information, Silencing Dissent When Read More …

evilreplay for Modern Web Security Assessment

Bridging the gap between identifying a flaw and demonstrating its real-world risk can be challenging. The open-source project evilreplay provides a powerful, specialized utility that helps security practitioners effectively assess and report one of the most common web application threats: Cross-Site Scripting (XSS). What is evilreplay? At its core, evilreplay is a weaponized adaptation of Read More …