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Bobby Filar

Sublime Security

Head of AI at Sublime Security. Research on agentic systems, LLM evaluation, adversarial ML, and AI governance.

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#email security

Content tagged with "email security"

Adversarial Prompt Injection Payload for Evading AI-Based Detection
2026-06-25 Sublime Security blog, Attack Spotlight (with Sam Scholten)
#Writing #Email Security

Analysis of an in-the-wild credential phishing campaign carrying a second, adversarial payload designed to manipulate AI-based email security into returning a benign verdict.

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Risky Biz News — The spam/email bombing problem
2025-05-26 Risky Business News (with Catalin Cimpanu)
#Podcast #Email Security

Sponsor interview on the rising use of spam bombing and email bombing as initial-access techniques in modern intrusion campaigns.

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Unmasking BEC Attacks Using Natural Language Understanding + MQL
2023-04-18 Sublime Security blog
#Writing #Email Security

How Sublime combines Natural Language Understanding with Message Query Language to detect Business Email Compromise, an attack style with no malicious links or attachments to key on.

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Detecting Credential Phishing Using Deep Learning + MQL
2023-03-30 Sublime Security blog, Attack Spotlight
#Writing #Email Security

How Sublime's LinkAnalysis function uses Siamese neural networks and computer vision on rendered link screenshots to catch brand-impersonating credential phishing pages.

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