Changes

== Examples of CA's being compromised before 2021 ==

== Examples of CA's being compromised before 2021 ==

2011 digital disaster with DigiNotar, Dutch CA<ref>"DigiNotar: Dissecting the First Dutch Digital Disaster", 2013 , https://digitalcommons.usf.edu/jss/vol6/iss2/4/</ref><ref>"Digital Certificate Authority Hacked, Dozens Of Phony Digital Certificates Issued ", 2011, https://www.darkreading.com/attacks-breaches/digital-certificate-authority-hacked-dozens-of-phony-digital-certificates-issued</ref>

# In 2011, the DigiNotar certificate authority (CA) was compromised, resulting in the issuance of rogue digital certificates for several high-profile domains. This incident highlighted the importance of diversity in the trust infrastructure, as relying on a single CA left the organization vulnerable to attack. <ref>"DigiNotar: Dissecting the First Dutch Digital Disaster", 2013 , https://digitalcommons.usf.edu/jss/vol6/iss2/4/</ref><ref>"Digital Certificate Authority Hacked, Dozens Of Phony Digital Certificates Issued ", 2011, https://www.darkreading.com/attacks-breaches/digital-certificate-authority-hacked-dozens-of-phony-digital-certificates-issued</ref>

# 2011-2012, the Comodo certificate authority (CA) was targeted by a phishing attack which resulted in the issuance of rogue digital certificates for several high-profile domains. This incident, similar to the DigiNotar incident, showed the importance of diversity in the trust infrastructure, as relying on a single CA left the organization vulnerable to attack.<ref>"Fraudulent certificates issued by Comodo, is it time to rethink who we trust? ", 2011, https://nakedsecurity.sophos.com/2011/03/24/fraudulent-certificates-issued-by-comodo-is-it-time-to-rethink-who-we-trust/</ref>

== Multiple Root CA ==

== Multiple Root CA ==