OTTAWA — A hacker was able to gain access to two government computers earlier this year, a breach of security that went unnoticed for days until a “trusted source” notified Shared Services Canada of the intrusion.

A forensic analysis of the two computers from Public Works and Government Services Canada showed no malicious code or “suspicion of infection or compromise,” according to a security report filed after the incident, but IT security workers were working on the firewalls around the network to ensure another hacker didn’t gain unauthorized access.

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