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The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

libssh Releases Security Updates

libssh has released security updates addressing a vulnerability affecting libssh versions 0.6 and above. A remote attacker could exploit this vulnerability to take control of an affected system.

NCCIC encourages users and administrators to review the libssh Security Release for additional information and apply the necessary updates.

Microsoft Releases Security Update for Yammer

Microsoft has released a security update to address a vulnerability in the Yammer desktop application. A remote attacker could exploit this vulnerability to take control of an affected system.

NCCIC encourages users and administrators to review the Microsoft Security Advisory and apply the necessary update.

Drupal Releases Security Updates

Drupal has released security updates addressing multiple vulnerabilities in Drupal 7.x and 8.x. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.

NCCIC encourages users and administrators to review Drupal's Security Advisory and apply the necessary updates.

Cisco Releases Security Updates

Cisco has released security updates to address multiple vulnerabilities affecting Cisco products. An attacker could exploit one of these vulnerabilities to take control of an affected system.

NCCIC encourages users and administrators to review the Cisco Security Advisories and Alerts webpage and apply the necessary updates.

FBI Releases Article on Defending Against Payroll Phishing Scams

The Federal Bureau of Investigation (FBI) has released an article on building a digital defense against phishing scams targeting electronically deposited paychecks. In these schemes, scammers use phishing emails to direct employees to fraudulent websites and collect their work credentials. Scammers then use victims’ credentials to replace legitimate direct deposit information with their own account details.

NCCIC encourages users to review the FBI Article and NCCIC Tip on Avoiding Social Engineering and Phishing Attacks for more information. If you believe you have been a victim of these scams, report it to the FBI’s Internet Crime Complaint Center at www.ic3.gov.

VMware Releases Security Updates

VMware has released security updates to address a vulnerability in ESXi, Workstation, and Fusion. An attacker could exploit this vulnerability to take control of an affected system.

NCCIC encourages users and administrators to review VMware Security Advisory VMSA-2018-0026 and apply the necessary updates.

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