Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

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Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Microsoft’s “looming security disaster” is worse than feared. A ...

Cybersecurity researchers have shed light on a cross-tenant blind spot that allows attackers to bypass Microsoft Defender for Office 365 protections via the guest access feature in Teams. "When users ...

Overseas visitors to 11 of America’s most popular national parks will need to pay an extra $100 per person to get in starting Jan. 1, the Interior Department announced Tuesday in a bid to make up for ...

Microsoft warned users on Tuesday that FIDO2 security keys may prompt them to enter a PIN when signing in after installing Windows updates released since the September 2025 preview update. This ...

Advocates for transparency on social media cheered this weekend when X, the app owned by tech billionaire Elon Musk, rolled out a new feature that disclosed what the company said were the country ...