Investor’s Daily poll results (23 October 2026)

Thank you — your vote has been counted.

So question for you… What caused one of the most expensive cyberattacks in history to spread across the world in 2017?

A sophisticated AI hacking system 100 votes (21.8%)
A compromised software update 179 votes (39.0%)
A stolen password from a bank employee 118 votes (25.7%)
A flaw in Bitcoin's security 62 votes (13.5%)

Total votes: 459

Correct answer: B) A compromised software update

In 2017, the NotPetya malware spread through a compromised update to Ukrainian accounting software. It went on to disrupt multinational businesses, including shipping giant Maersk, causing billions of dollars in damage worldwide.

Get ahead of the curve with Investor's Daily

Enter your email to access exclusive insights and stay informed with our Investor's Daily daily email.

Because Investor's Daily is completely free, we do have to fund it with advertising. Occasionally we will send you promotional emails, which will contain advertisements from us. By signing up to our free emails, you are consenting to receive these promotions. However we will never give, sell or rent your email address to any other companies. If you want to stop receiving our free emails at any time, you can immediately unsubscribe by clicking on the link in each email. For more information, please see our privacy policy.