FBI Recovers Deleted Signal Chats via iPhone Notification Store

In a landmark forensic case, the FBI extracted deleted Signal messages from an iPhone by accessing the system‑level notification database, exposing how Signal’s disappearing‑message feature can be bypassed, detailing the underlying iOS storage flaw, community reactions, and practical steps users can take to mitigate the risk.

Mobile Securitydigital forensicsiOS

0 likes · 8 min read

FBI Recovers Deleted Signal Chats via iPhone Notification Store

Raymond Ops

Dec 26, 2025 · Information Security

How to Respond When Your Server Is Compromised: Essential Incident Response and Forensics for Ops

This guide walks operations engineers through recognizing intrusion indicators, executing rapid detection scripts, following a structured 24‑hour response workflow, performing comprehensive digital forensics, and applying cleanup and hardening measures to secure compromised servers and prevent future attacks.

Server SecuritySystem Hardeningdigital forensics

0 likes · 15 min read

How to Respond When Your Server Is Compromised: Essential Incident Response and Forensics for Ops

DevOps Operations Practice

Apr 21, 2024 · Information Security

Overview of Kali Linux: Features, Tools, and Use Cases

Kali Linux, a Debian‑based distribution maintained by Offensive Security, bundles over 600 penetration‑testing and digital‑forensics tools such as Metasploit, Nmap, Wireshark, Aircrack‑ng and John the Ripper, making it a preferred platform for security professionals in testing, forensics, and network defense.

Kali Linuxdigital forensicsinformation security

0 likes · 4 min read

Overview of Kali Linux: Features, Tools, and Use Cases

21CTO

Feb 24, 2020 · Information Security

Top 10 Open‑Source Security Tools Every Professional Should Know

This article introduces ten essential open‑source security tools—including Nessus, Snort, Nagios, Ettercap, Infection Monkey, Delta, Cuckoo Sandbox, The Sleuth Kit, Lynis, and Certbot—detailing their main features, licensing models, and typical use cases for vulnerability scanning, intrusion detection, network monitoring, and forensic analysis.

Network Monitoringdigital forensicsencryption

0 likes · 9 min read

Top 10 Open‑Source Security Tools Every Professional Should Know