Skip to content
Hmmnm brand header logo displayed prominently across the top of the webpage
  • Home
  • Blog
  • About Us
  • Contact
  • Toggle website search
Press Escape to close the search panel.
Menu Close
  • Home
  • Blog
  • About Us
  • Contact
  • Toggle website search
Search this website

Security

  1. Home>
  2. Blog>
  3. Security>
  4. Page 4
Read more about the article UEFI Secure Boot and BlackLotus: The Boot Chain of Trust Under Attack

UEFI Secure Boot and BlackLotus: The Boot Chain of Trust Under Attack

  • Post author:Prabhu Kalyan Samal
  • Post published: September 22, 2026
  • Post category:Security

How UEFI Secure Boot anchors trust in firmware, how BlackLotus bypassed it via CVE-2022-21894, and why revocation took years to roll out.

Continue ReadingUEFI Secure Boot and BlackLotus: The Boot Chain of Trust Under Attack
Read more about the article Weekly Threat Intel: Edge CVEs, MCP Agent Abuse, Stealer Cashouts

Weekly Threat Intel: Edge CVEs, MCP Agent Abuse, Stealer Cashouts

  • Post author:Prabhu Kalyan Samal
  • Post published: September 22, 2026
  • Post category:Security

Edge CVEs under active exploitation, AI-agent abuse patterns, and infostealer cash-out trails — the week’s threat picture and what defenders should do about each.

Continue ReadingWeekly Threat Intel: Edge CVEs, MCP Agent Abuse, Stealer Cashouts
Read more about the article Dependency Confusion Lab: Reproduce and Defend Your Pipeline

Dependency Confusion Lab: Reproduce and Defend Your Pipeline

  • Post author:Prabhu Kalyan Samal
  • Post published: September 21, 2026
  • Post category:Security

Build a CTF-style lab that reproduces dependency confusion and namespace squatting — then lock them down with scoped registries, lockfile pinning and reproducible builds.

Continue ReadingDependency Confusion Lab: Reproduce and Defend Your Pipeline
Read more about the article Cosign Signing and Verification Lab: Sign, Verify, Enforce

Cosign Signing and Verification Lab: Sign, Verify, Enforce

  • Post author:Prabhu Kalyan Samal
  • Post published: September 21, 2026
  • Post category:Security

Sign and verify artifacts step-by-step with Sigstore Cosign: keyless signing, transparency log entries, and admission-time verification in a hands-on lab.

Continue ReadingCosign Signing and Verification Lab: Sign, Verify, Enforce
Read more about the article Kerberos Attack Paths: Golden Tickets, Silver Tickets and Kerberoasting

Kerberos Attack Paths: Golden Tickets, Silver Tickets and Kerberoasting

  • Post author:Prabhu Kalyan Samal
  • Post published: September 20, 2026
  • Post category:Security

Golden Ticket, Silver Ticket and Kerberoasting explained: what each forgery needs, what it bypasses, and the log signals that catch them.

Continue ReadingKerberos Attack Paths: Golden Tickets, Silver Tickets and Kerberoasting
Read more about the article DNSSEC Explained: Chain of Trust, NSEC3 and the October 2026 Root Rollover

DNSSEC Explained: Chain of Trust, NSEC3 and the October 2026 Root Rollover

  • Post author:Prabhu Kalyan Samal
  • Post published: September 19, 2026
  • Post category:Security

How DNSSEC signs the DNS: RRSIG, DS chains anchored at the root, NSEC3 trade-offs, and the KSK rollover landing October 11, 2026.

Continue ReadingDNSSEC Explained: Chain of Trust, NSEC3 and the October 2026 Root Rollover
Read more about the article BOLA and Broken Auth API Attacks with Burp Suite: Lab Guide

BOLA and Broken Auth API Attacks with Burp Suite: Lab Guide

  • Post author:Prabhu Kalyan Samal
  • Post published: September 19, 2026
  • Post category:Security

Hijack your own lab: find and exploit BOLA and broken-auth flaws in a vulnerable API using Burp Suite — then learn the authorization checks that actually fix them.

Continue ReadingBOLA and Broken Auth API Attacks with Burp Suite: Lab Guide
Read more about the article OWASP ZAP DAST Lab: Authenticated API Scanning Explained

OWASP ZAP DAST Lab: Authenticated API Scanning Explained

  • Post author:Prabhu Kalyan Samal
  • Post published: September 19, 2026
  • Post category:Security

Break your own API with OWASP ZAP: active scanning, authenticated scan contexts and API definitions in a step-by-step DAST lab you can rebuild for any target.

Continue ReadingOWASP ZAP DAST Lab: Authenticated API Scanning Explained
Read more about the article SSRF to Cloud Metadata: The Attack Behind Capital One and How to Stop It

SSRF to Cloud Metadata: The Attack Behind Capital One and How to Stop It

  • Post author:Prabhu Kalyan Samal
  • Post published: September 18, 2026
  • Post category:Security

How SSRF turns one forged request into cloud-wide credential theft — the Capital One chain, IMDSv2, and the controls that actually block it.

Continue ReadingSSRF to Cloud Metadata: The Attack Behind Capital One and How to Stop It
Read more about the article Decode ACARS and VDL2 with acarsdec and dumpvdls2: SDR Lab

Decode ACARS and VDL2 with acarsdec and dumpvdls2: SDR Lab

  • Post author:Prabhu Kalyan Samal
  • Post published: September 18, 2026
  • Post category:Security

Decode live aircraft ACARS and VDL2 datalink traffic with about $30 of SDR hardware, acarsdec, dumpvdls2 and Wireshark — a complete hands-on radio lab.

Continue ReadingDecode ACARS and VDL2 with acarsdec and dumpvdls2: SDR Lab
Read more about the article Weekly Threat Intel: Agentic AI Abuse and Edge CVEs

Weekly Threat Intel: Agentic AI Abuse and Edge CVEs

  • Post author:Prabhu Kalyan Samal
  • Post published: September 18, 2026
  • Post category:Security

Agentic-AI abuse, the fall 2026 Edge CVE wave and infostealer tradecraft — this week’s defensive priorities in one briefing.

Continue ReadingWeekly Threat Intel: Agentic AI Abuse and Edge CVEs
Read more about the article Certificate Transparency: How Merkle Logs Ended Blind Trust in CAs

Certificate Transparency: How Merkle Logs Ended Blind Trust in CAs

  • Post author:Prabhu Kalyan Samal
  • Post published: September 17, 2026
  • Post category:Security

How Certificate Transparency Merkle logs, SCTs and monitors make every TLS certificate publicly auditable — and how they caught Symantec in 2015.

Continue ReadingCertificate Transparency: How Merkle Logs Ended Blind Trust in CAs
  • Go to the previous page
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • …
  • 31
  • Go to the next page
Press Escape to close the search panel.

Categories

  • AI Security (1)
  • Aviation and Aerospace Security (9)
  • Beyond Security (2)
  • Security (370)
  • Technology (63)

Recent Posts

  • Build a Certificate Transparency Monitoring Pipeline with crt.sh and the CT Logs API (Hands-On Walkthrough)
  • Hands-On OpenSSL Lab: Generate, Inspect and Troubleshoot TLS Certificates with Real Commands
  • Build a Ransomware Sandbox with FLARE-VM and CAPE: Automated Config Extraction and IOC Dumping
  • Hunting Ransomware Pre-Encryption Behavior with Sysmon and Velociraptor: Shadow Copy Deletion, Batch Encryption, Ransom Notes
  • Weekly Threat Intel: LockBit Successor Shuffles, September 2026 Edge Device CVEs and Loader Chains
  • Weekly Threat Intel: Ransomware Affiliate Rotation, Autumn 2026 Exploitation and Infostealer Ops
  • Hunting Phishing Infrastructure with urlscan.io: Pivot from Screenshot to Campaign Takedown
  • Build a Docker Socket Escape Lab: Why Mounting /var/run/docker.sock Is a Root Kill Chain
  • Build an AiTM Phishing Lab with Evilginx: Understanding Session Cookie Theft and Detection
  • Wireshark + Scapy Lab: Replay and Dissect Aircraft ADS-B and ACARS Traffic
  • Build a PCAP Triage Lab with Zeek and T-Shark: Spot C2 Beacons in Real Traffic
  • Write YARA Rules That Catch Ransomware Families: A Detection Lab with yara-python
  • Agentic AI Security Cheat Sheet: Threat Models, MCP Hardening Checklist and Detection Hooks
  • Alert Fatigue Is a Design Problem: Building a Detection Engineering Lifecycle That Survives Contact
  • Write Sigma Rules That Actually Fire: A Detection-as-Code Lab with SigmaCLI and splunk-react

Archives

  • October 2026 (21)
  • September 2026 (272)
  • August 2026 (98)

Newsletter

Get all latest content delivered to your email a few times a month. Updates and news about all categories will send to you.
Email is required Email is not valid
This field is required
Thanks for your subscription.
Failed to subscribe, please contact admin.
Hmmnm

Our Other Sites

  • Hmmnm.in
  • Odia.hmmnm.in

Quick Links

  • Security Services
  • Learning Paths
  • About Us
  • Contact
  • Blog
  • Privacy Policy
  • Disclaimer
  • Security Products
  • Terms of Service

Contact Info

  • 📧 contact@hmmnm.com
  • 🌐 hmmnm.com
in
© 2026 @Hmmnm

We use cookies to understand how the site is used and to improve your experience. You can accept analytics cookies or continue with essential cookies only. Privacy Policy

  • Home
  • Blog
  • Security
  • Experience
  • About Us
  • Services
  • Contact