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MERENANational Cybersecurity Center

Security Alerts

With new threats happening every day, it's hard to know what's real, what's urgent, and what you can ignore. MERENA online safety alerts are designed to be simple, calm, and actionable at no cost to you.

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Advisory

Hackers Access 20,225 Instagram Accounts

Jun 8, 2026

Immediate Action

If You Use the Microsoft Edge Browser, Update ASAP

Jun 5, 2026

Advisory

FBI Issues Warning About Escalating Microsoft Scam

Jun 4, 2026

Advisory

Fake YouTube Videos Targeting Minecraft Players

Jun 3, 2026

Immediate Action

Urgent Update for Android Phones

Jun 2, 2026

Informational

California AG sues 23andMe over 2023 breach exposing health data

Jun 1, 2026

Advisory

Law Firms Are Newest Target for Hacker Group

May 29, 2026

Advisory

Ever Book a Cruise with Carnival? Your Personal Information May Have Been Stolen

May 28, 2026

Immediate Action

If You Use WhatsApp on an iPhone, Update Now

May 27, 2026

Informational

Download your TikTok data and see exactly what the app collects

May 26, 2026

Advisory

FBI Warns of Active Campaign Targeting Microsoft 365 Users

May 22, 2026

Advisory

Facebook Scam Promises Cheap Aldi “Meat Boxes,” Steals Payment Info Instead

May 21, 2026

Advisory

Diagnoses and Bank Details Exposed in Major Healthcare Breach

May 20, 2026

Advisory

Stopped for Gas Recently? 7-Eleven Shoppers are at Risk

May 19, 2026

Advisory

Have You Ever Stayed at a Best Western?

May 18, 2026

Informational

How to Avoid Small Business Scams

May 15, 2026

Advisory

“Hi Pervert” Scam Circulating Across the Country

May 14, 2026

Informational

Texas Suing Netflix Over Privacy Concerns

May 13, 2026

Advisory

Fake Google Ads Are Tricking Users into Installing Harmful Apps

May 12, 2026

Informational

Apple’s New Update Makes Texting Between iPhone and Android More Private

May 12, 2026

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