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Security

Straightforward advice on passwords, authentication, and safer everyday habits online.

How to set up SPF, DKIM and DMARC records (2026 guide)
Security • 4 min read

How to set up SPF, DKIM and DMARC records (2026 guide)

A practical guide to SPF, DKIM and DMARC: what each record does, how to add it to DNS, what correct syntax looks like, and how to verify that it works.

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How to create a secure Wi-Fi password
Security • 6 min read

How to create a secure Wi-Fi password

A secure Wi-Fi password should be long, unique, and hard to guess. See practical recommendations for home networks, offices, cafés, and guest Wi-Fi.

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My password leaked: what to do step by step
Security • 8 min read

My password leaked: what to do step by step

Found your password in a data breach or suspect someone accessed your account? Here is what to secure first, which accounts to prioritize, and what to check.

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Two-factor authentication - what it is and how to enable it safely
Security • 6 min read

Two-factor authentication - what it is and how to enable it safely

Two-factor authentication significantly reduces the risk of account takeover. Learn which options exist, what we recommend, and how to set it up safely.

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How to create a strong password: length, characters, and recommendations (2026)
Security • 6 min read

How to create a strong password: length, characters, and recommendations (2026)

A practical guide to strong passwords: how many characters you need, which character types to combine, and what to do when a website does not allow symbols.

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