Is Your Firm Prepared for a Third-Party Cyber Attack? Is Your Firm Prepared for a Third-Party Cyber Attack? Cyber risks can be lurking in the most unsuspecting places. Members of a state professional society recently learned that the hard way. The society’s website had been compromised through a social engineering ploy, which allowed hackers to insert a Trojan virus on the site that targeted the victims. When members logged onto the “members only” area on the website, they were unknowingly giving hackers back-door access to their firms’ computer networks.