Securiu Blog

Security Insights & Research

Real-world security research, breach case studies, and actionable guides to help you protect your business online.

Case Studies & Analysis

The Equifax Data Breach: How 147 Million Americans Were Exposed
Case Study

The Equifax Data Breach: How 147 Million Americans Were Exposed

In 2017, Equifax suffered one of the largest data breaches in history. What went wrong and what can we learn from it.

Sep 20178 min
Yahoo Data Breach: The Largest Hack in History
Case Study

Yahoo Data Breach: The Largest Hack in History

All 3 billion Yahoo accounts were compromised in 2013, but the breach wasn't discovered until 2016.

Aug 20139 min
Target's $292 Million Holiday Nightmare
Case Study

Target's $292 Million Holiday Nightmare

Target's 2013 breach exposed 40 million credit cards. How an HVAC vendor became the entry point.

Nov 20137 min
Colonial Pipeline: When Ransomware Shut Down America's Fuel
Ransomware

Colonial Pipeline: When Ransomware Shut Down America's Fuel

A single compromised password led to the Colonial Pipeline shutdown and East Coast fuel shortages.

May 20218 min
Log4Shell: The Security Flaw That Shook the Internet
Vulnerability

Log4Shell: The Security Flaw That Shook the Internet

The Log4j vulnerability affected millions of servers worldwide. One of the worst security flaws ever found.

Dec 202110 min
WannaCry: The Global Cyber Pandemic
Ransomware

WannaCry: The Global Cyber Pandemic

WannaCry affected 200,000 computers across 150 countries. How it exploited outdated systems.

May 20177 min
NotPetya: The Most Devastating Cyberattack in History
Cyberwarfare

NotPetya: The Most Devastating Cyberattack in History

NotPetya wasn't ransomware—it was a cyberweapon. The 2017 attack caused $10 billion in damages.

Jun 201711 min
Capital One: When Cloud Misconfiguration Cost $270 Million
Cloud Security

Capital One: When Cloud Misconfiguration Cost $270 Million

A firewall misconfiguration led to 100 million customer records being stolen by a former AWS employee.

Mar 20199 min
SolarWinds: The Most Sophisticated Supply Chain Attack Ever
Supply Chain

SolarWinds: The Most Sophisticated Supply Chain Attack Ever

Hackers compromised software updates affecting thousands of organizations including government agencies.

Dec 202010 min