Security: Page 4
Browse Palisade articles and guides in Security.
Email security Proofpoint: what Core Email Protection covers
Email security Proofpoint refers to Proofpoint's Core Email Protection, with API and secure email gateway options. Learn what evidence to request.
Aug 11, 2026
Email security protocols
Email security protocols protect different parts of email: transport, mailbox access, and domain authentication. See how TLS, SMTP, SPF, DKIM, and DMARC.
Aug 11, 2026
How can you safely handle malicious email attachments?
How can you safely handle malicious email attachments? Do not open them, verify the request separately, report it, preserve evidence, and stay safe.
Aug 11, 2026
Paypal phishing scam email
Paypal phishing scam emails should be verified outside the message. Learn how to separate an impostor email from an unfamiliar PayPal request.
Aug 11, 2026
Where to report a phishing email and what each route does
Report email phishing scams to the route that can act: your mailbox provider, your workplace, the impersonated brand, or a US reporting body.
Aug 11, 2026
Report a Social Security phishing email
Report a Social Security phishing email safely: do not reply, pay, or share information. Verify any reporting destination is an official government site.
Aug 11, 2026
What are the 3 types of email impersonation attacks?
Email impersonation attacks commonly use an exact domain, a lookalike domain, or a free-mail account. Learn how each type works. Learn what to verify.
Aug 11, 2026
What are the top email security tips for small businesses?
Email security tips for small businesses: use MFA, verify sensitive requests, authenticate sending domains, and test recovery paths safely today.
Aug 11, 2026
What exactly is spoofing and how can you stop it?
Spoofing is impersonation that makes a message, call, website, or network request appear trusted. Learn how to identify and limit spoofing for your domain.
Aug 11, 2026
What is email spoofing and how can you prevent it?
Email spoofing forges sender details to make mail look trusted. Stop spoof emails with SPF, DKIM, DMARC enforcement, header checks, and user reporting.
Aug 11, 2026
What is a whaling attack and how can you stop it?
What is a whaling attack? It is targeted phishing aimed at senior leaders. Learn how to verify requests and reduce email impersonation risk.
Aug 11, 2026
What is whaling phishing and how can you prevent it?
Whaling phishing is a targeted impersonation attack against executives or people who can approve payments. Learn how to verify and reduce the risk.
Aug 11, 2026
Why do phishing emails pass SPF and DKIM checks?
Why do phishing emails pass SPF and DKIM checks? They authenticate a sending domain, not whether a message, brand claim, or sender identity is honest.
Aug 11, 2026
What is an email security gateway?
An email security gateway inspects mail before it reaches recipients. It runs in front of the mailbox, alongside it via an API, or inside the platform.
Aug 10, 2026
Phishing-resistant MFA: does it stop device code phishing?
Phishing-resistant MFA (FIDO2/WebAuthn, PKI) blocks proxy phishing by binding to a site's origin, but it does not stop device code phishing. Here's why.
Aug 2, 2026
Test spam email
Test spam email with a real message, interpret authentication, IP, and content findings, make a focused repair, then retest the same path now.
Jul 31, 2026
Business email compromise vs phishing
Business email compromise vs phishing: classify a suspicious request by its identity and payment or access objective before acting, using the message.
Jul 30, 2026
How to enable phishing and malware protection in Google Workspace
Enable phishing and malware protection in Google Workspace by configuring Gmail Safety controls, actions, organizational units, and message checks.
Jul 30, 2026
What is a browser-in-the-browser attack?
A browser-in-the-browser (BitB) attack fakes a login popup with a forged address bar to steal credentials. Here's how it works and how to spot and stop it.
Jul 30, 2026
Abnormal email security
Abnormal email security is an API-connected cloud email-security offering. Compare its buyer evidence with gateway and DMARC boundaries in practice.
Jul 28, 2026
What is ping spoofing and does it matter?
Ping spoofing means faking network latency, a PvP game cheat, and separately an ICMP source-address trick. What each is, and which one actually matters.
Jul 19, 2026
What is a quid pro quo attack?
A quid pro quo attack trades a fake favour (IT help, a gift, a job) for your credentials or access. Here is how it works and how to stop it.
Jul 18, 2026
What is piggybacking in cybersecurity?
Piggybacking in cybersecurity is when an authorized person knowingly lets an unauthorized one into a restricted area. How it differs from tailgating.
Jul 17, 2026
Is Have I Been Pwned safe to use?
Have I Been Pwned is safe to use: it never logs your searches, and the password checker uses k-anonymity so your password never leaves your device.
Jul 17, 2026