Security Threat Warnings: NSA, CISA, FBI & DHS Alerts

This page collects the latest public security warnings from U.S. government agencies: cybersecurity advisories from the National Security Agency (NSA) and the Cybersecurity and Infrastructure Security Agency (CISA), joint advisories with the FBI, FBI Internet Crime Complaint Center (IC3) scam warnings, and the Department of Homeland Security’s National Terrorism Advisory System (NTAS). The lists below update automatically from the agencies’ official feeds. Each item is dated, credited to the agency that issued it and linked to the original.

Compiled by The Boston Report from official sources; not an official government page. We are not affiliated with the NSA, CISA, FBI, DHS or any other agency. In an emergency, call 911.

Compiled by The Boston Report from official sources; not an official government page. The Boston Report is an independent news site and is not affiliated with, endorsed by or speaking for the NSA, CISA, FBI, DHS, the State Department or any Massachusetts agency. Headlines below are the agencies' own titles, linked to the original. Feeds refresh about every 6 hours; last checked Oct 22, 2026 7:47 pm EDT.

Current threat status

Nonecurrent NTAS terrorism advisories (DHS)Per the DHS NTAS feed: "There are no current advisories."
37vulnerabilities CISA added to its Known Exploited Vulnerabilities catalog in the last 30 days1754 total · catalog version 2026.10.21 · CISA KEV

Latest 5 advisories and warnings

  1. NSA NSA Advisory: Critical Patches Recommended for PHP Vulnerabilities
  2. CISA Critical Vulnerabilities in PHP Require Immediate Patching
  3. CISA (joint advisory) #StopRansomware: SafePay Ransomware
  4. FBI IC3 Cyber Threat Actors Use a Variety of Techniques to Target Election and Campaign Officials
  5. CISA CISA Urges Patching Critical Vulnerability in BeyondTrust Remote Support

Includes CISA cybersecurity advisories (usually joint with the FBI, NSA and partners), CISA urgent alerts, FBI IC3 public service announcements and NSA press releases. Routine "CISA adds vulnerabilities to catalog" notices are counted in the KEV figure instead.

Cyber advisories

CISA and joint cybersecurity advisories

NSA cybersecurity advisories and guidance

Full library: NSA Cybersecurity Advisories & Guidance.

CISA alerts (latest)

Newest Known Exploited Vulnerabilities

AddedCVEVendor / productFederal fix-by dateRansomware use
2026-10-20CVE-2026-106931EG Secure Solutions SiteGuard Server Edition2026-10-23Unknown
2026-10-20CVE-2026-96656Plex Media Server2026-10-23Unknown
2026-10-20CVE-2026-96655Plex Media Server2026-11-03Unknown
2026-10-20CVE-2026-96654Plex Media Server2026-10-23Unknown
2026-10-20CVE-2026-96652Plex Media Server2026-11-03Unknown
2026-10-20CVE-2026-110936Siemens Software Center2026-11-03Unknown
2026-10-16CVE-2026-102764BeyondTrust Remote Support2026-10-19Unknown
2026-10-16CVE-2025-61624Fortinet Multiple Products2026-10-19Unknown
2026-10-15CVE-2026-21589Atlassian Multiple Products2026-10-18Unknown
2026-10-14CVE-2026-105134Ahsay AhsayCBS2026-10-17Unknown

Source: CISA KEV JSON feed. The fix-by date is the deadline for federal civilian agencies under Binding Operational Directive 22-01; CISA urges all organizations to prioritize these.

Terrorism and physical threats

DHS uses the National Terrorism Advisory System to warn the public about terrorist threats. It issues two kinds of advisories: Bulletins, which describe general trends or developments, and Alerts, which are issued when there is specific, credible information about a terrorist threat against the United States. The status panel above reads the official NTAS feed.

The most recent NTAS Bulletin was issued June 22, 2025, and it expired Sept. 22, 2025. DHS said then that “the ongoing Iran conflict is causing a heightened threat environment in the United States” and that “multiple recent Homeland terrorist attacks have been motivated by anti-Semitic or anti-Israel sentiment.”

What to do

CISA’s Secure Our World campaign recommends four basic steps for individuals and small businesses:

  • Use strong passwords, and a password manager to keep track of them.
  • Turn on multifactor authentication.
  • Recognize and report phishing.
  • Update your software.

More from our coverage: North Korea’s internet outage and the ConnectWise hack, and our War & Conflict section.

Sources

Get The Boston Report newsletter

Boston news, weather alerts and local business, in one email. Pick your topics.

Free. We email you a link to confirm first. Unsubscribe anytime. Privacy Policy