Justin Walters (@JustinWalters)

Fuck the Police and Exegy

Some of you might be aware, Exegy has the police investigating me for their breach. I received an email from Google saying they wanted access to my Google account, so I figured if I was not able to qu

Aug 26 · 2 min readexegy.today

Will be back to publishing more soon

I have been taking a break from this publication to focus more on other things going on in my life and have not had a chance to get back to it. I have been at least trying to create comics talking abo

Jul 16 · 1 min readexegy.today

Lagging Behind on Zero-Days: What the “ssh-keysign-pwn” Exploit Reveals and the Need for Collaborative Sandbox Environments

The sudden emergence of the local privilege escalation (LPE) exploit chain known as ssh-keysign-pwn (tracked as CVE-2026-46333) has exposed a critical gap in enterprise system hardening. The exploit w

May 19 · 11 min readexegy.today

The Bridge to the Core: Infrastructure Vulnerabilities and the Risks of Network Conflation

I was laying here last night, reading into the nuances of FINRA, the Consolidated Audit Trail (CAT), and the SEC’s Rule 613 of Regulation National Market System (NMS), because I wanted to gain a deepe

May 15 · 3 min readexegy.today

Technical Security Disclosure: Unaudited Management Backdoor in Exegy Financial Appliances

In the high-stakes environment of high-frequency trading (HFT) and mission-critical financial infrastructure, perimeter defenses are often prioritized to the point of perceived invulnerability. Howeve

May 12 · 6 min readexegy.today

Justin Walters

About

Available for

Justin Walters's blogs

Fuck the Police and Exegy

Will be back to publishing more soon

Lagging Behind on Zero-Days: What the “ssh-keysign-pwn” Exploit Reveals and the Need for Collaborative Sandbox Environments

The Bridge to the Core: Infrastructure Vulnerabilities and the Risks of Network Conflation

Technical Security Disclosure: Unaudited Management Backdoor in Exegy Financial Appliances

Justin Walters

About

Available for

Justin Walters's blogs

Fuck the Police and Exegy

Will be back to publishing more soon

Lagging Behind on Zero-Days: What the “ssh-keysign-pwn” Exploit Reveals and the Need for Collaborative Sandbox Environments

The Bridge to the Core: Infrastructure Vulnerabilities and the Risks of Network Conflation

Technical Security Disclosure: Unaudited Management Backdoor in Exegy Financial Appliances

Justin Walters

About

Available for

Justin Walters's blogs

Fuck the Police and Exegy

Will be back to publishing more soon

Lagging Behind on Zero-Days: What the “ssh-keysign-pwn” Exploit Reveals and the Need for Collaborative Sandbox Environments

The Bridge to the Core: Infrastructure Vulnerabilities and the Risks of Network Conflation

Technical Security Disclosure: Unaudited Management Backdoor in Exegy Financial Appliances

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Justin Walters

About

Available for

Justin Walters's blogs

Fuck the Police and Exegy

Will be back to publishing more soon

Lagging Behind on Zero-Days: What the “ssh-keysign-pwn” Exploit Reveals and the Need for Collaborative Sandbox Environments

The Bridge to the Core: Infrastructure Vulnerabilities and the Risks of Network Conflation

Technical Security Disclosure: Unaudited Management Backdoor in Exegy Financial Appliances