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Technology & Ideas

Cybersecurity Secrecy Keeps Doors Open for Hackers

Companies and governments need to talk more honestly in public about digital vulnerabilities, or the problem will keep getting worse.

How do they do that?

How do they do that?

Photographer: Chris Ratcliffe/Bloomberg

Business is booming for cyber extortionists.

DarkSide, the hacking group that shut down a key U.S. oil pipeline earlier this month, has collected over $90 million recently in hard-to-trace Bitcoin from 47 different victims, according to the blockchain analytics firm Elliptic.