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ZeroDay Cyber Feed
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Professional Course Tracks
Learn offensive security, network exploitation, red team operations, and real-world penetration testing techniques aligned with industry standards and hands-on vulnerability assessment practices.
Most detailed category with step-by-step breakdowns, realistic scenarios, and practical examples.
CVE posts are concise vulnerability summaries for fast awareness and prioritization.
Infrastructure assessment, exposure mapping, and internal attack-chain coverage for practical testing.
Follow CVE summaries for context, then move to Red-Team for deeper techniques and examples.
NETWORK-L2 Chapter — Phase 3. centralized vs distributed RAN, fronthaul/midhaul/backhaul, O-RAN disaggregation, xApp. Harvard-level networking education from zero to expert with Scapy examples and Cisco labs.
NETWORK-L2 Chapter — Phase 3. SS7 attacks, Diameter vulnerabilities, IMSI catcher detection, SIM swap fraud, 5G security. Harvard-level networking education from zero to expert with Scapy examples and Cisco labs.
NETWORK-L2 Chapter — Phase 3. roaming architecture, GTP-C via GRX, DIAMETER roaming, IPX providers, S8HR. Harvard-level networking education from zero to expert with Scapy examples and Cisco labs.
NETWORK-L2 Chapter — Phase 3. UE IP allocation, PGW/UPF as gateway, default route to internet, ISP interconnection. Harvard-level networking education from zero to expert with Scapy examples and Cisco labs.