Iranian Islamic Revolutionary Guard Corps Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations

CISA, Federal Bureau of Investigation FBI, National Security Agency NSA, U.S. Cyber Command USCC - Cyber National Mission Force CNMF, Department of the Treasury, Australian Cyber Security Centre ACSC, Canadian Centre for Cyber Security CCCS, and United Kingdom’s National Cyber Security Centre NCS...

#StopRansomware: Vice Society

Note: This joint Cybersecurity Advisory CSA is part of an ongoing StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These StopRansomware advisories include recently and historically observed tactics, techniques,...

#StopRansomware: Vice Society

Summary Actions to take today to mitigate cyber threats from ransomware: • Prioritize and remediate known exploited vulnerabilities. • Train users to recognize and report phishing attempts. • Enable and enforce multifactor authentication. Note: This joint Cybersecurity Advisory CSA is part of an...

CVE-2022-37144

The PlexTrac platform prior to API version 1.17.0 does not restrict excessive MFA TOTP submission attempts. An unauthenticated remote attacker in possession of a valid username and password can bruteforce their way past MFA protections to login as the targeted user...

2021 Top Malware Strains

Summary Immediate Actions You Can Take Now to Protect Against Malware: • Patch all systems and prioritize patching known exploited vulnerabilities. • Enforce multifactor authentication MFA. • Secure Remote Desktop Protocol RDP and other risky services. • Make offline backups of your data. • Provi...

Cyber Signals: Defend against the new ransomware landscape

Today, Microsoft is excited to publish our second edition of Cyber Signals, spotlighting security trends and insights gathered from Microsoft’s 43 trillion security signals and 8,500 security experts. In this edition, we pull back the curtain on the evolving cybercrime economy and the rise of...

Cyber Signals: Defend against the new ransomware landscape

Today, Microsoft is excited to publish our second edition of Cyber Signals, spotlighting security trends and insights gathered from Microsoft’s 43 trillion security signals and 8,500 security experts. In this edition, we pull back the curtain on the evolving cybercrime economy and the rise of...

CISA and FBI issue alert about Zeppelin ransomware

The Federal Bureau of Investigation FBI and the Cybersecurity and Infrastructure Security Agency CISA have released a joint Cybersecurity Advisory CSA about Zeppelin ransomware. The advisory contains indicators of compromise IOCs and tactics, techniques, and procedures TTPs associated with...

#StopRansomware: MedusaLocker

Summary Actions to take today to mitigate cyber threats from ransomware: • Prioritize remediating known exploited vulnerabilities. • Train users to recognize and report phishing attempts. • Enable and enforce multifactor authentication. Note: this joint Cybersecurity Advisory CSA is part of an...

How one Microsoft product manager acts as champion for identity security

A technology career embodies the ancient Roman saying that “luck happens when preparation meets opportunity.” Few industries are as dynamic, fast-paced, or intense as technology. With so many challenges to solve, opportunities are everywhere, but as I’ve learned myself through the years, the best...

From cookie theft to BEC: Attackers use AiTM phishing sites as entry point to further financial fraud

A large-scale phishing campaign that used adversary-in-the-middle AiTM phishing sites stole passwords, hijacked a user’s sign-in session, and skipped the authentication process even if the user had enabled multifactor authentication MFA. The attackers then used the stolen credentials and session...

North Korean State-Sponsored Cyber Actors Use Maui Ransomware to Target the Healthcare and Public Health Sector

CISA, the Federal Bureau of Investigation FBI, and the Department of the Treasury Treasury have released a joint Cybersecurity Advisory CSA, North Korean State-Sponsored Cyber Actors Use Maui Ransomware to Target the Healthcare and Public Health Sector, to provide information on Maui ransomware,...

#StopRansomware: MedusaLocker

CISA, the Federal Bureau of Investigation FBI, the Department of the Treasury Treasury, and the Financial Crimes Enforcement Network FinCEN have released a joint Cybersecurity Advisory CSA, StopRansomware: MedusaLocker, to provide information on MedusaLocker ransomware. MedusaLocker actors target...

Log4Shell Vulnerability Targeted in VMware Servers to Exfiltrate Data

The Cybersecurity and Infrastructure Security Agency CISA and Coast Guard Cyber Command CGCYBER released a joint advisory warning the Log4Shell flaw is being abused by threat actors that are compromising public-facing VMware Horizon and Unified Access Gateway UAG servers. The VMware Horizon is a...

APT Cyber Tools Targeting ICS/SCADA Devices

Summary Actions to Take Today to Protect ICS/SCADA Devices: • Enforce multifactor authentication for all remote access to ICS networks and devices whenever possible. • Change all passwords to ICS/SCADA devices and systems on a consistent schedule, especially all default passwords, to device-uniqu...

10 ways attackers gain access to networks

A joint multi-national cybersecurity advisory has revealed the top ten attack vectors most exploited by cybercriminals in order to gain access to organisation networks, as well as the techniques they use to gain access. The advisory cites five techniques used to gain leverage: 1. Public facing...

CVE-2022-30689

HashiCorp Vault and Vault Enterprise from 1.10.0 to 1.10.2 did not correctly configure and enforce MFA on login after server restarts. This affects the Login MFA feature introduced in Vault and Vault Enterprise 1.10.0 and does not affect the separate Enterprise MFA feature set. Fixed in 1.10.3...

Easy authentication and authorization in Azure Active Directory with No-Code Datawiza

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. The acceleration of cloud journeys fueled by the pandemic and ever-increasing concerns about data security and information privacy have made access management one of the hottest topi...

Easy authentication and authorization in Azure Active Directory with No-Code Datawiza

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. The acceleration of cloud journeys fueled by the pandemic and ever-increasing concerns about data security and information privacy have made access management one of the hottest topi...

Strengthening Cybersecurity of SATCOM Network Providers and Customers

Summary Updated May 10, 2022: The U.S. government attributes this threat activity to Russian state-sponsored malicious cyber actors. Additional information may be found in a statement from the State Department . For more information on Russian malicious cyber activity, refer to...