Shielding Federal Sites From Denial of Service Attacks Would Cost Money: Expert

The federal government could stop cyber-meddlers from taking down its websites—but that would cost money, a computer-security expert says.

OTTAWA—The federal government could stop cyber-meddlers from taking down its websites—but that would cost money, a computer-security expert says.

The Canadian Security Intelligence Service site was the latest federal webpage to succumb to a denial-of-service attack and go offline.