Milena Baghdasaryan - PowerDMARC

DKIM Key Length: How to Choose 1024 vs 2048 vs 4096

Key Takeaways DKIM key length is the bit size of your RSA signing key. Longer keys resist forgery better but produce larger DNS records to publish. 1024-bit RSA is deprecated by RFC 8301 and falls below NIST minimums, yet hosting…

What Is ClickFix (and FileFix)?

Blog, Cybersecurity

ClickFix attacks surged 517% in 2025 and are now used by nation-state APTs. Learn how ClickFix and its stealthier variant FileFix work, real campaigns, and how to defend against them.

How to Choose an Email Service Provider: A Security-First Evaluation Framework

Blog, DMARC

Learn how to choose an email service provider with a security-first framework. Compare ESPs, email authentication, IP reputation, and DMARC support.

Latin American Email Security: State of DMARC & Email Authentication in LATAM 2026

Blog, DMARC

PowerDMARC's analysis of email security across 6 Latin American markets — Brazil, Mexico, Argentina, Ecuador, Peru, and Chile — reveals critical enforcement gaps, sector vulnerabilities, and rising compliance pressure. Download the full report.

Legitimate Infrastructure Abuse: The Phishing Technique That Bypasses Email Authentication

Blog, Email Deliverability

A new class of phishing attacks doesn't use fake domains or suspicious senders — it abuses the cloud email infrastructure your filters already trust. Learn how legitimate infrastructure abuse works and how DMARC monitoring helps detect it.

Top DMARC Solutions for Enterprises in 2026: Compared & Reviewed

DKIM Key Length: How to Choose 1024 vs 2048 vs 4096

What Is ClickFix (and FileFix)?

How to Choose an Email Service Provider: A Security-First Evaluation Framework

Latin American Email Security: State of DMARC & Email Authentication in LATAM 2026

Legitimate Infrastructure Abuse: The Phishing Technique That Bypasses Email Authentication

Tools

Product

Company