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#cyber-security

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Anthony Emmanuella MmasinachiOct 31

Agata Proxima: PostgreSQL Security, Tenant Isolation & Database Access Verification

Agata Proxima secures PostgreSQL with tenant isolation, access verification, and Rust-powered security infrastructure.

12 min readhttpsagataproximacom.hashnode.dev

rathsaraOct 17

IDSLab: What Does Another IDS Stage Actually Add?

An open-source framework for experimenting with staged intrusion detection systems

9 min readrr-cyber.hashnode.dev

rathsaraOct 15

The Firewall Is the Target Now: A Practical Audit Checklist

Where I’d start a firewall audit; the device, the rules, the traffic and the process

18 min readrr-cyber.hashnode.dev

Yogeshwar PeelaOct 7

TryHackMe - SeaSurfer writeup

Complete Sea Surfer TryHackMe writeup covering vhost enumeration, SSRF, LFI, WordPress RCE, tar wildcard injection, and SSH agent privilege escalation

15 min readexploitnotes.hashnode.dev

Yogeshwar PeelaOct 7

TryHackMe: MD2PDF Writeup

MD2PDF TryHackMe writeup covering HTML injection, SSRF, localhost access control bypass, internal admin access, and flag disclosure.

9 min readexploitnotes.hashnode.dev

rathsaraSep 22

Hiding Network Connections: Encryption, Onion Routing, and Identity Spoofing

The content is encrypted, the path is anonymised, the origin is spoofed: but the connection is still visible

15 min readrr-cyber.hashnode.dev

rathsaraSep 21

Network Data Hiding: Covert Channels and Traffic Manipulation

From IP headers to DNS queries: how covert channels work and how their traffic patterns give them away

17 min readrr-cyber.hashnode.dev

rathsaraSep 18

Windows: Where Data Hides and How It's Found

A file reports 25 bytes. A different command reveals 19MB attached to it. Where NTFS actually hides data, and the exact commands that find it.

15 min readrr-cyber.hashnode.dev

rathsaraSep 18

GNU/Linux: Where Data Hides and How It's Found

A partition table entry reading "Hidden FAT16." An inode field nobody writes to. A nanosecond timestamp carrying encoded data. Where GNU/Linux hides evidence and how investigators find it.

13 min readrr-cyber.hashnode.dev