CYBERSEC-OS v3.1.4 [Build 20240214]
KERNEL: CyberSec 6.1.4-hardened STATUS: Initializing...
[BIOS] POST check completed - All systems nominal
[BOOT] Loading CYBERSEC-OS kernel v6.1.4-hardened...
[INIT] Initializing system components...
[MEM] Verifying memory integrity... [OK]
[SEC] Loading security modules...
[CRYPTO] Initializing AES-256-GCM encryption...
[CRYPTO] Loading quantum-resistant algorithms...
[NET] Establishing secure connection [Protocol: TLS 1.3]
[FIREWALL] Configuring defensive parameters...
[FIREWALL] Loading ruleset: PARANOID-LEVEL-3
[IDS] Starting Suricata engine v7.0.1...
[IDS] Loading custom detection rules...
[MONITOR] Initializing system monitoring...
[MONITOR] Starting resource tracking...
[AUTH] Verifying security credentials...
[AUTH] Loading 2FA module...
[SYS] Running security audit...
[SYS] Checking for vulnerabilities...
[OK] No vulnerabilities detected
[OK] Security protocols activated
[OK] System ready for secure operations
[0%] System initialization in progress...

Hi, my name is

Raihan Ahmed

Security Enthusiast | Blue Team Specialist | Cyber Researcher

About Me

Hey there! I'm Raihan, a Management Information Systems student at San Jose State University specializing in Cybersecurity and Security Operations. I have a deep passion for understanding modern attack vectors, analyzing endpoint and network telemetry, and building proactive threat detection workflows.

My journey in cybersecurity is driven by hands-on execution and real-world defense. From sworking and interning with the security and application performance team at Cloudflare triaging WAF, DDoS, and application security threats, to automating AI-driven phishing detection workflows at ServiceNow, I focus on converting complex security data into swift, effective threat mitigation.

Whether I'm investigating security incidents, writing automation scripts in Python and PowerShell, or competing in threat hunting CTFs, I am committed to continuous learning and protecting critical digital infrastructure.

Skills

Security Operations

SIEM (Splunk, Microsoft Sentinel), EDR, Sysmon, Nessus, Incident Response, Threat Hunting, Log Analysis, MITRE ATT&CK, ServiceNow, Salesforce.

Cloud & Virtualization

AWS, GCP, Azure, VirtualBox, VMware, Cloudflare Security (WAF, DDoS Mitigation, Traffic Anomalies).

Networking

Wireshark, Nmap, OSI Model, TCP/IP, DNS, DHCP, VPNs, Firewalls, Network Troubleshooting, Traffic Analysis.

Languages & Scripting

Python, PowerShell, Bash, SQL, Security Automation & Workflow Development.

Certifications

CompTIA Security+

CompTIA

Active Certification

Verify on Credly

Cisco CyberOps Associate

Cisco

Active Certification

Verify on Credly

AWS Certified Cloud Practitioner

Amazon Web Services

Status: In Progress

Pursuing

Featured Projects

Snort IDS/IPS with pfSense

Implemented and configured Snort IDS/IPS on pfSense firewall for network security monitoring, threat detection, and prevention. Set up custom rules and analyzed network traffic patterns.

Snort pfSense Network Security

ELK Stack SIEM

Set up and configured ELK (Elasticsearch, Logstash, Kibana) stack for centralized log management and security analysis. Created custom dashboards for real-time monitoring and threat detection.

Elasticsearch Logstash Kibana

Honeypot Analysis

Deployed and monitored honeypots to study attacker behavior, documented TTPs (Tactics, Techniques, and Procedures), and created threat intelligence reports based on collected data.

T-Pot MITRE ATT&CK Threat Intel