Tag

Network Security

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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Man in the Middle Attack

Man in the Middle Attack: How It Works and How to Stop It

In January 2023, the FBI's Internet Crime Complaint Center (IC3) continued to flag business email compromise — often powered by man in the middle attack techniques — as the costliest cybercrime category, responsible for over $2.7 billion in reported losses in 2022 alone. That number isn't inflated

Carl B. Johnson Jan 24, 2023 7 min read
DNS Spoofing

DNS Spoofing Attack: How Hackers Hijack Your Traffic

In April 2018, attackers hijacked the DNS servers used by MyEtherWallet and redirected users to a phishing site hosted in Russia. The entire attack lasted roughly two hours. In that window, victims lost around $17 million in cryptocurrency — simply because their browsers resolved a legitimate domain name to a malicious

Carl B. Johnson Jan 09, 2023 7 min read
Zero Trust Security Model

Zero Trust Security Model: A Practical Guide for 2022

In May 2021, a single compromised password shut down the Colonial Pipeline and triggered fuel shortages across the U.S. East Coast. The attackers used a legacy VPN account with no multi-factor authentication — a textbook example of what happens when an organization trusts its perimeter instead of verifying every access

Carl B. Johnson Jan 15, 2022 7 min read
Zero Trust

What Is Zero Trust? A Practical Guide for 2022

In May 2021, a single compromised password shut down the Colonial Pipeline and triggered fuel shortages across the eastern United States. The attackers used a legacy VPN account that had no multi-factor authentication. One credential. No additional verification. That's all it took to paralyze critical infrastructure. If you&

Carl B. Johnson Jan 15, 2022 7 min read
Zero Trust Network Access

Zero Trust Network Access: A Practical Guide for 2022

In May 2021, Colonial Pipeline paid a $4.4 million ransom after a single compromised VPN credential gave attackers the keys to the kingdom. One password. No multi-factor authentication. No segmentation between IT and operational technology networks. The attackers from the DarkSide group walked through a flat network like it

Carl B. Johnson Jan 15, 2022 7 min read
Zero Trust Implementation

Zero Trust Implementation: A Practical Guide for 2022

The Colonial Pipeline Made "Never Trust, Always Verify" a Boardroom Priority In May 2021, a single compromised password shut down the largest fuel pipeline in the United States. Colonial Pipeline paid a $4.4 million ransom — and the real costs ran far deeper. The attack exploited a legacy

Carl B. Johnson Jan 15, 2022 7 min read
VPN Best Practices

VPN Best Practices: What Actually Protects You in 2022

The Pulse Secure Breach Should Have Been Your Wake-Up Call In April 2021, CISA issued an emergency directive after threat actors exploited vulnerabilities in Pulse Connect Secure VPN appliances to compromise federal agencies and defense contractors. Attackers maintained persistent access for months before anyone noticed. The tool that was supposed

Carl B. Johnson Jan 06, 2022 7 min read
Remote Desktop Security Risks

Remote Desktop Security Risks: What Attackers See

An Open Door You Didn't Know You Left Unlocked In August 2021, the FBI and CISA issued a joint advisory warning that threat actors exploiting Remote Desktop Protocol (RDP) was the single most common initial access vector in ransomware attacks. Not phishing emails. Not zero-day exploits. RDP. The

Carl B. Johnson Jan 06, 2022 7 min read
Man in the Middle Attack

Man in the Middle Attack: How Hackers Steal Data

In January 2021, the FBI warned that cybercriminals were actively exploiting telecommuters by intercepting unencrypted network traffic — a textbook man in the middle attack. The shift to remote work didn't just expand the attack surface. It handed threat actors a golden opportunity to sit between employees and corporate

Carl B. Johnson Sep 03, 2021 7 min read
DNS Spoofing Attack

DNS Spoofing Attack: How Hackers Hijack Your Traffic

In April 2018, attackers hijacked the DNS records for Amazon's Route 53 service, redirecting traffic meant for MyEtherWallet.com to a malicious server in Russia. Users who typed the correct URL into their browsers still landed on a fake site. Within two hours, attackers stole roughly $150,000

Carl B. Johnson Sep 03, 2021 7 min read