Threat Actor Leverages Compromised Account of Former Employee to Access State Government Organization

Actions to take today to mitigate malicious cyber activity: 1. Continuously remove and disable accounts and groups from the enterprise that are no longer needed, especially privileged accounts. 2. Enable and enforce multifactor authentication with strong passwords. 3. Store credentials in a secur...

Omron CS/CJ Series Missing Authentication For Critical Function (CVE-2022-45794)

Omron CS/CJ series programmable logic controllers are missing authentication for the file system. This could allow an attacker to access the file system via memory card or EM file memory and obtain all available sensitive information. This plugin only works with Tenable.ot. Please visit...

#StopRansomware: Play Ransomware

Actions to take today to mitigate cyber threats from Play ransomware: 1. Prioritize remediating known exploited vulnerabilities. 2. Enable multifactor authentication MFA for all services to the extent possible, particularly for webmail, VPN, and accounts that access critical systems. 3. Regularly...

Karakurt Data Extortion Group

Actions to take today to mitigate cyber threats from Karakurt ransomware: 1. Prioritize patching known exploited vulnerabilities. 2. Train users to recognize and report phishing attempts. 3. Enforce multifactor authentication...

Threat Actors Exploit Adobe ColdFusion CVE-2023-26360 for Initial Access to Government Servers

Actions to take today to mitigate malicious cyber activity: 1. Prioritize remediating known exploited vulnerabilities. 2. Employ proper network segmentation. 3. Enable multifactor authentication MFA for all services to the extent possible, particularly for webmail, VPN, and accounts that access...

Protecting credentials against social engineering: Cyberattack Series

Our story begins with a customer whose help desk unwittingly assisted a threat actor posing as a credentialed employee. In this fourth report in our ongoing Cyberattack Series, we look at the steps taken to discover, understand, and respond to a credential phishing and smishing text-based phishin...

Protecting credentials against social engineering: Cyberattack Series

Our story begins with a customer whose help desk unwittingly assisted a threat actor posing as a credentialed employee. In this fourth report in our ongoing Cyberattack Series, we look at the steps taken to discover, understand, and respond to a credential phishing and smishing text-based phishin...

IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities

Actions to take today to mitigate malicious activity: 1. Implement multifactor authentication. 2. Use strong, unique passwords. 3. Check PLCs for default passwords...

Exploitation of Unitronics PLCs used in Water and Wastewater Systems

CISA is responding to active exploitationlink is external of Unitronics programmable logic controllers PLCs used in the Water and Wastewater Systems WWS Sector. Cyber threat actors are targeting PLCs associated with WWS facilities, including an identified Unitronics PLC, at a U.S. water facility...

#StopRansomware: Rhysida Ransomware

Actions to take today to mitigate malicious cyber activity: 1. Prioritize remediating known exploited vulnerabilities. 2. Enable multifactor authentication MFA for all services to the extent possible, particularly for webmail, VPN, and accounts that access critical systems. 3. Segment networks to...

Automatic Conditional Access policies in Microsoft Entra streamline identity protection

Extending our commitment to help customers be secure by default, today were announcing the auto-rollout of Microsoft Entra Conditional Access policies that will automatically protect tenants based on risk signals, licensing, and usage. Weve designed these policies based on our deep knowledge of t...

Automatic Conditional Access policies in Microsoft Entra streamline identity protection

Extending our commitment to help customers be secure by default, today were announcing the auto-rollout of Microsoft Entra Conditional Access policies that will automatically protect tenants based on risk signals, licensing, and usage. Weve designed these policies based on our deep knowledge of t...

CISA and NSA Release New Guidance on Identity and Access Management

Today, CISA and the National Security Agency NSA published Identity and Access Management: Developer and Vendor Challenges, authored by the Enduring Security Framework ESF, a CISA- and NSA-led working panel that includes a public-private cross-sector partnership. ESF aims to address risks that...

Celebrate 20 years of Cybersecurity Awareness Month with Microsoft and let’s secure our world together

This year marks the twentieth anniversary of Cybersecurity Awareness Month, when we partner with the National Cybersecurity Alliance, the United States Cybersecurity and Infrastructure Security Agency CISA, and organizations around the world to amplify the importance of cybersecurity best practic...

Celebrate 20 years of Cybersecurity Awareness Month with Microsoft and let’s secure our world together

This year marks the twentieth anniversary of Cybersecurity Awareness Month, when we partner with the National Cybersecurity Alliance, the United States Cybersecurity and Infrastructure Security Agency CISA, and organizations around the world to amplify the importance of cybersecurity best practic...

New security features in Windows 11 protect users and empower IT

While attacks are getting more sophisticated, so are our defenses. With recent innovations like secured-core PCs that are 60 percent more resilient to malware than non-secured-core PCs,1 and the Microsoft Pluton Security Processor that adds more protection by isolating sensitive data like...

New security features in Windows 11 protect users and empower IT

While attacks are getting more sophisticated, so are our defenses. With recent innovations like secured-core PCs that are 60 percent more resilient to malware than non-secured-core PCs,1 and the Microsoft Pluton Security Processor that adds more protection by isolating sensitive data like...

Insecure Randomness

Overview Affected versions of this package are vulnerable to Insecure Randomness due to using an insecure random number generation library which could possibly be predicted via a brute-force search. Attackers could use the potentially predictable nonce value used for authentication purposes in th...

Boost identity protection with Axiad Cloud and Microsoft Entra ID

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Passwords are a security weakness and phishing attacks to exploit accounts protected by passwords are on the rise. The last 12 months have seen an average of more than 4,000 password...

Boost identity protection with Axiad Cloud and Microsoft Entra ID

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Passwords are a security weakness and phishing attacks to exploit accounts protected by passwords are on the rise. The last 12 months have seen an average of more than 4,000 password...