Covers strategies, tools, and best practices for protecting computer networks from unauthorized access, cyberattacks, and data breaches. Topics include firewalls, intrusion detection systems, network segmentation, and monitoring techniques that help organizations maintain secure and resilient infrastructure.
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In May 2021, a single compromised VPN password shut down the largest fuel pipeline in the United States. The Colonial Pipeline attack didn't start with some exotic zero-day exploit. It started with a stolen credential. That's the reality of how ransomware spreads — and it's
The Breach That Proved Perimeters Don't Work In 2020, the SolarWinds breach gave roughly 18,000 organizations a brutal lesson: once a threat actor gets past your perimeter, they can move laterally for months without detection. Government agencies, Fortune 500 companies, and critical infrastructure providers all had firewalls.
The Breach That Proved Perimeter Security Was Dead In early 2024, a threat actor gained access to Microsoft's corporate email system — including accounts belonging to senior leadership and cybersecurity staff. The attacker didn't exploit some exotic zero-day. They used a password spray attack against a legacy
The Breach That Proved "Trust But Verify" Is Dead In early 2024, a major healthcare provider disclosed that attackers had spent nine months inside their network — moving laterally, escalating privileges, and exfiltrating millions of patient records. Their perimeter defenses were solid. Their VPN was enterprise-grade. None of it
The Ivanti Breach Changed How I Think About VPNs In early 2024, CISA issued an emergency directive after threat actors exploited vulnerabilities in Ivanti Connect Secure VPN appliances to infiltrate multiple federal agencies. The attackers didn't brute-force passwords. They didn't trick users with phishing emails. They
In 2023, the FBI's Internet Crime Complaint Center flagged Remote Desktop Protocol (RDP) as one of the top three initial access vectors for ransomware incidents. That wasn't a surprise to anyone who monitors Shodan — the search engine that indexes internet-facing devices. On any given day, you
Your Employees Think They're on Your Bank's Website. They're Not. In April 2022, researchers at Avast documented a campaign where threat actors compromised home routers to execute a DNS spoofing attack that redirected users trying to visit legitimate banking sites to near-perfect credential theft
A CFO, a Spoofed Email, and a $37 Million Wire Transfer In 2024, the FBI's Internet Crime Complaint Center (IC3) continued reporting staggering losses from business email compromise — a category where spoofing is the engine that makes the scam work. Threat actors forge sender addresses, manipulate caller IDs,
The CEO Email That Cost a Company $47 Million In 2015, Ubiquiti Networks disclosed that attackers impersonating company executives via spoofed emails tricked employees into wiring $46.7 million to overseas accounts. The emails looked legitimate. The sender addresses appeared correct. No malware was involved. The entire attack hinged on
In 2023, the FBI's Internet Crime Complaint Center received over 298,000 complaints related to phishing and spoofing — making it the number one reported cybercrime category for the fifth year running. That wasn't a fluke. Spoofing is the backbone of almost every major social engineering campaign
