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Eric’s Substack

Eric Capuano

I write about all things information security, security operations, digital forensics & incident response, and some miscellaneous in between.

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Substack
PricingFreemiumPublishesMonthly
Issues17Founded3 years agoLast Issue5 months ago
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Latest Issues

Hunting MongoBleed (CVE-2025-14847)

CVE-2025-14847 dropped recently and it’s a nasty one. Dubbed “MongoBleed” by the security community, it’s a memory disclosure vulnerability in MongoDB’s zlib decompression that allows attackers to extract sensitive data—credentials, session...

5 months ago
19

DFIR Artifact: PowerShell Transcripts

You are probably familiar with the concept of the “black box” or “flight data recorder” that is onboard all commercial airliners. This is the piece of the aircraft most critically sought after in a crash investigation as it contains detaile...

9 months ago
15

Introduction to YARA

If you've spent any time in malware analysis, threat hunting, or incident response, you've likely heard of YARA. YARA is an essential tool for security professionals looking to identify and classify malware samples based on textual or binar...

a year ago
20
1

The Role of Fuzzy Hashes in Security Operations

Bonus Content! Hands-on Lab at the bottom :)


Security Operations daily routines can feel like a game of whack-a-mole—because often teams are using IOCs (indicators of compromise) that have a very short shelf life. For instance, an I...

a year ago
11
1

Atomic & Stateful Detection Rules

Hello, readers! I had a topic in mind that I felt might make a good post for those breaking into the defensive side of information security: atomic and stateful detections.

Eric’s Substack is a reader-supported publication. To receive new...

2 years ago
22
1

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  • Eric Capuano

    InfoSec Founder, Practitioner, Advisor & SANS DFIR Instructor

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