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Instagram scams: How to spot the biggest red flags and protect your account
Instagram scams are common and take on many forms. They might appear as ads, interesting posts, urgent DMs, or tempting giveaways. Some are easy to spot, while others pressure users to act quickly and...
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VPN scams: How to spot fake VPNs and stay safe
As virtual private networks (VPNs) become more widespread, misleading services and deceptive marketing have also emerged to take advantage of this demand. Some apps marketed as VPNs have been found to...
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Bank of America phishing emails: How to identify and report
Bank of America may contact customers by email about account activity, security alerts, or service updates. But scammers can also impersonate the bank in messages that are designed to look legitimate....
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What is the SMTP protocol, and how does it work?
The Simple Mail Transfer Protocol (SMTP) is the standard protocol for sending and relaying email across the internet. When an email is sent, the email app (or webmail) submits the message to an outgoi...
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Protect yourself from AOL phishing email address attacks
Phishing scams targeting America Online (AOL) users have existed since the early days of the internet, and still affect users today. They typically impersonate AOL support, claim there’s an urgent a...
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What is private DNS? The complete guide to privacy and security
The Domain Name System (DNS) is often called the internet's phonebook: it helps translate human-readable domain names like example.com into IP addresses (and other DNS records) that devices use to loc...
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Understanding critical infrastructure security: A comprehensive overview
Power, water, healthcare, transportation, and communications are all vital in daily life. When these services are disrupted, the impact can spread quickly. Critical infrastructure security focuses on ...
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What is the OSI model? Understanding its layers and functions
Modern networks underpin everything from everyday web browsing to large-scale cloud systems, and their moving parts can be hard to describe consistently. The Open Systems Interconnection (OSI) model i...
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What is cloud networking? A comprehensive overview
Cloud services power everything from everyday apps to critical business systems, and cloud networking enables those services to be reachable and manageable. Because it’s often confused with broader ...
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What is security posture? A complete guide for organizations
To protect their IT systems, data, and customers from digital threats, organizations benefit from an overall cybersecurity approach. In practice, “security posture” is the umbrella term for how a ...
