2766
All but the BlueCoat device weakened connection security and introduced TLS vulnerabilities such as Logjam , weak export and RC4 ciphers , or did n't validate digital certificates properly .
 ( discover vulnerability: introduced,  TLS vulnerabilities: vulnerability, Logjam: vulnerability, weak export: vulnerability, RC4 ciphers: vulnerability, BlueCoat device: vulnerable system, did n't validate digital certificates properly: capabilities) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: introduced,  TLS vulnerabilities: vulnerability, Logjam: vulnerability, weak export: vulnerability, RC4 ciphers: vulnerability, BlueCoat device: vulnerable system, did n't validate digital certificates properly: capabilities) 