Breach Timeline

A visual chronology of major cyber milestones, historic breaches, worms, sabotage campaigns, and modern incident turning points.

1932

Enigma and the Polish Cipher Bureau

Polish cryptologists break Enigma codes.

1988

Morris Worm

First major internet worm by Robert Tappan Morris.

2000

ILOVEYOU

Email worm infects 10 million Windows PCs worldwide.

2007

Estonia Cyberattacks

First national-level DDoS attacks against Estonia.

2010

Stuxnet

First known cyberweapon targeting industrial systems.

2011

PlayStation Network

77 million user accounts compromised.

2013

Target

40 million credit cards stolen via HVAC vendor.

2014

Home Depot

56 million payment cards exposed.

2015

OPM Breach

21 million federal employee records stolen.

2017

WannaCry

Ransomware spreads via EternalBlue exploit.

2020

SolarWinds

Supply chain attack compromises thousands of organizations.

2021

Microsoft Exchange

Four zero-days exploited by Chinese actors.

2023

MOVEit Transfer

Mass exploitation of file transfer vulnerability.

2024

Change Healthcare

Major healthcare payment processor ransomware attack.