他是时在与另两家安全公司联手合作。
Barr was working in conjunction with two other security companies.
竞选团队雇佣了私人的网络安全公司来解决这些漏洞。
The campaigns hired private cyber security companies to address the breaches.
安全公司称网络犯罪很难制止，因为它可能跨越大洲和时区。
Security firms say Internet crime can be hard to combat because it embraces different continents and time zones.
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