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HC3 TLP White Sector Alert: CISA and NSA Release Joint Cybersecurity Information Sheet on Selecting and Hardening VPNs
In August, 2020, a significant number of vulnerabilities in common information systems relevant to the healthcare sector have been disclosed to the public.
TLP White HC3: Alert Amplify Alert: No Fix for Azure Active Directory Password Brute-Forcing Flaw September 28, 2021
A newly discovered bug in Microsoft Azure's Active Directory implementation enables a single-factor brute-forcing of an Active Directory instance without authentication. Currently there is no available patch for this vulnerability.
HC3 Sector Alert TLP White: Cisco HyperFlex HX RCE Vulnerabilities
On May 5, 2021 Cisco advisories disclosed multiple vulnerabilities in their products.
HC3 TLP White Alert: Ransomware Awareness for Holidays and Weekends September 1, 2021
The FBI and CISA stated that in the “last several months” they have observed an increase of “highly impactful” ransomware attacks occurring during holidays or generally when people are out of the office.
HC3 TLP White Alert: Indicators of Compromise Associated with OnePercent Group Ransomware - August 24, 2021
The FBI shared indicators of compromise (IOCs) associated with the ransomware threat actors the OnePercent Group.
HC3 TLP White Alert: BadAlloc Vulnerability Affecting BlackBerry QNX RTOS - August 18, 2021
Executive Summary
BlackBerry identified the following products are affected by an integer overflow vulnerability (CVE-2021-22156) with CVSS Score 9.0: BlackBerry QNX Software Development
HHS OCIO HC3 TLP White Threat Briefing – Qbot/QakBot August 5, 2021
Please see the attached HHS Office of the Chief Information Officer HC3 Threat Briefing – Qbot/QakBot. You may distribute through your appropriate channels for the level of information as marked (TLP: WHITE)
HC3 TLP White Alert: Top Routinely Exploited Vulnerabilities of 2020 and 2021
Executive Summary
The recently released Joint Cybersecurity Advisory coauthored by the U.S. Cybersecurity and Infrastructure Security Agency, U.S. Federal Bureau of Investigation, U.K.
HC3 TLP White Alert: PrintNightmare, Windows Print Spooler Service Vulnerability (Update 1) - July 15, 2021
PrintNightmare is the name given to a critical remote code execution vulnerability in the Windows Print spooler service.
HC3: TLP Green Alert – Joint Cybersecurity Advisory – North Korean Cyber Actors Targeting Vaccine and Virology Orgs
Executive Summary
A joint alert published on June 9, 2021, by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the United Kingdo