IRS Issues Warning for Tax Phishing Scam

The Internal Revenue Service IRS has issued a press release to address a phishing scam targeting taxpayers. Email scammers have been observed citing tax fraud to trick victims into clicking on a malicious link. Taxpayers should be suspicious of unsolicited emails. Users and administrators are...

Citrix Releases Security Update

Citrix has released updates to address a vulnerability in its Citrix Licensing Server. Exploitation of this vulnerability could allow a remote attacker to take control of an affected server. Users and administrators are encouraged to review Citrix Security Bulletin CTX207824 and Vulnerability Not...

Cisco Releases Security Updates

Cisco has released security updates to address vulnerabilities in multiple products. Exploitation of one of these vulnerabilities could allow a remote attacker to take control of an affected device. Users and administrators are encouraged to review the following Cisco Security Advisories and appl...

Microsoft Releases March 2016 Security Bulletin

Microsoft has released 13 updates to address vulnerabilities in Microsoft software. Exploitation of some of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review Microsoft Security Bulletins MS16-023 throug...

Cisco Releases Security Updates

Cisco has released security updates to address vulnerabilities in multiple products. Exploitation of one of these vulnerabilities could allow a remote attacker to take control of an affected device. Users and administrators are encouraged to review the following Cisco Security Advisories and appl...

Google Releases Security Update for Chrome

Google has released Chrome version 48.0.2564.116 to address a vulnerability for Windows, Mac, and Linux. Exploitation of this vulnerability may allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review the Chrome Releases page and apply t...

IRS Releases Tenth Security Tip

The Internal Revenue Service IRS has released the tenth in a series of tips intended to help the public protect personal and financial data online and at home. This tip describes steps tax preparers can take to protect sensitive information. Recommendations include conducting a full scan of all...

Apple Releases Security Update for QuickTime

Apple has released a security update to address multiple vulnerabilities in QuickTime for Windows 7 and Windows Vista. Exploitation of one of these vulnerabilities may allow an attacker to take control of an affected system. Users and administrators are encouraged to review the Apple security...

WordPress Releases Security Update

WordPress 4.4 and prior versions contain a cross-site scripting vulnerability. Exploitation of this vulnerability could allow a remote attacker to take control of an affected website. Users and administrators are encouraged to review the WordPress Security and Maintenance Release and upgrade to...

Joomla Releases Security Update for CMS

Joomla has released version 3.4.7 of its content management system CMS software to address two vulnerabilities. Exploitation of one of these vulnerabilities may allow a remote attacker to take control of an affected website. Users and administrators are encouraged to review the Joomla Release New...

Personal Device Security During the Holiday Season

As the winter holiday travel season begins, US-CERT and Stop.Think.Connect remind users to be mindful of the security risks associated with portable devices such as smart phones, tablets, and laptops. These devices offer a range of conveniences such as allowing us to order gifts on-the-go,...

Symantec Releases Security Update

Symantec has released Symantec Endpoint Encryption 11.1.0 to address a vulnerability that may allow an attacker to take control of an affected system. US-CERT encourages users and administrators to review the Security Advisory from Symantec and apply the necessary update. This product is provided...

Google Releases Security Update for Chrome

Google has released Chrome version 47.0.2526.106 to address multiple vulnerabilities for Windows, Mac, and Linux. Exploitation of one of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review the Chrome Releases...

Google Releases Security Update for Chrome

Google has released Chrome version 47.0.2526.80 to address multiple vulnerabilities for Windows, Mac, and Linux. Exploitation of one of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review the Chrome Releases pa...

Microsoft Releases December 2015 Security Bulletin

Microsoft has released 12 updates to address vulnerabilities in Microsoft software. Exploitation of some of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review Microsoft Security Bulletins MS15-124 throug...

Dell Computers Contain CA Root Certificate Vulnerability

Dell personal computers using the preinstalled certificate authority CA root certificate eDellRoot contain a critical vulnerability. Exploitation of the vulnerability could allow a remote attacker to read encrypted web browser traffic HTTPS, impersonate spoof any website, or perform other attacks...

VMware Releases Security Updates

VMware has released security updates to address a vulnerability in vCenter, vCloud Director, and Horizon View. Exploitation of this vulnerability may allow an attacker to obtain sensitive information. Users and administrators are encouraged to review VMware Security Advisory VMSA-2015-0008 and...

Adobe Releases Security Updates for Flash Player

Adobe has released security updates to address multiple vulnerabilities in Flash Player. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review Adobe Security Bulletin APSB15-28 and apply t...

Cisco Releases Security Updates for Web Security Appliances

Cisco has released security updates to address multiple vulnerabilities in Web Security Appliances. Exploitation of one of these vulnerabilities could allow a remote attacker to take control of the affected network device. Users and administrators are encouraged to review the Cisco Security...

Cisco Releases Security Updates

Cisco has released updates to address multiple vulnerabilities in its Adaptive Security Appliance ASA software. Exploitation of these vulnerabilities could allow a remote attacker to cause a denial-of-service condition. US-CERT encourages users and administrators to review the Cisco security...

Oracle Releases Security Bulletin

Oracle has released its Critical Patch Update for October 2015 to address 154 vulnerabilities across multiple products. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review the Oracle...

WordPress Releases Security Update

WordPress 4.3 and prior versions contain two cross-site scripting vulnerabilities and a potential privilege escalation. Exploitation of these vulnerabilities could allow a remote attacker to take control of an affected website. Users and administrators are encouraged to review the WordPress...

Lenovo Service Engine (LSE) BIOS Vulnerability

Certain Lenovo personal computers contain a vulnerability in LSE a Lenovo BIOS feature. Exploitation of this vulnerability may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review the Lenovo Security Advisories for notebooks and desktops...

Best Practices to Protect You, Your Network, and Your Information

The National Cybersecurity and Communications Integration Center NCCIC and its partners responded to a series of data breaches in the public and private sector over the last year, helping organizations through incident response actions, conducting damage assessments, and implementing restoration...

Cisco Releases Security Updates

Cisco has released software updates to address a vulnerability in Cisco IOS XE Software for ASR 1000 Series Aggregation Services Routers. Exploitation of this vulnerability may allow a remote attacker to cause a denial-of-service condition. US-CERT encourages users and administrators to review...

Google Releases Security Update for Chrome

Google has released Chrome version 43.0.2357.130 for Windows, Mac, and Linux to address multiple vulnerabilities. Exploitation of one of these vulnerabilities may allow an attacker to obtain sensitive information. Users and administrators are encouraged to review the Chrome Releases Page and appl...

Drupal Releases Security Updates

Drupal has released updates to address multiple vulnerabilities. Exploitation of one of these vulnerabilities could allow a remote attacker to gain access to a system account, including an administrator's. Available updates include: • Drupal core 6.36 for 6.x users • Drupal core 7.38 for 7.x user...

Adobe Releases Security Updates for Flash Player

Adobe has released security updates to address multiple vulnerabilities in Flash Player for Windows, Macintosh, and Linux. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review Adobe...

WordPress Releases Security Update

WordPress 4.2 and prior versions contain critical cross-site scripting vulnerabilities. Exploitation of these vulnerabilities could allow a remote attacker to take control of an affected website. Users and administrators are encouraged to review the WordPress Security Release and upgrade to...

Installer Hijacking Vulnerability in Android Devices

A vulnerability in Google's Android OS has been discovered that could allow an attacker to change or replace a seemingly safe Android application with malware during installation. An attacker exploiting this vulnerability could access and steal user data on compromised devices without user...

Adobe Releases Security Updates for Flash Player

Adobe has released security updates to address multiple vulnerabilities in Flash Player. Exploitation of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review Adobe Security Bulletin APSB15-05 and apply the...

Google Releases Security Updates for Chrome

Google has released Chrome 40.0.2214.111 for Windows, Mac, and Linux to address multiple vulnerabilities. Exploitation of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review the Google Chrome blog entry a...

Adobe Releases Security Updates for Flash Player

Adobe has released security updates to address multiple vulnerabilities in Flash Player, one of which could allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review Adobe Security Bulletin APSB15-04 and apply the necessary updates. This...

Adobe Releases Security Updates for Flash Player

Adobe has released security updates to address multiple vulnerabilities in Flash Player, one of which could potentially allow an attacker to take control of the affected system. Users and administrators are encouraged to review Adobe Security Bulletin APSB15-01 and apply the necessary updates. Th...

FTC Releases "Package Delivery" Themed Scam Alert

The Federal Trade Commission FTC has released a Scam Alert addressing a "Package Delivery" themed phishing campaign regarding package delivery notifications from the U.S. Postal Service. Scam operators often use false information linked to reputable organizations to imply the email is legitimate...

Vulnerabilities Identified in Network Time Protocol Daemon

NTP has released an update that addresses multiple vulnerabilities in the Network Time Protocol daemon. Exploitation of these vulnerabilities may allow a remote attacker to execute malicious code. US-CERT encourages users and administrators to review Vulnerability Note VU852879 and update to NTP...

VMware Releases Updates for vCAC

VMware has released security updates to address a critical vulnerability in vCloud Automation Center vCAC, which could allow a remote attacker to take control of a vulnerable system. US-CERT encourages users and administrators to review VMware Security Advisory VMSA-2014-0013 and apply the...

VMware Releases Security Updates for vCenter Server, vCenter Server Appliance, and ESXi

VMware has released a security advisory to address multiple vulnerabilities in vCenter Server, vCenter Server Appliance, and ESXi. Exploitation of these vulnerabilities may allow a remote attacker to perform man-in-the-middle or cross-site scripting attacks. US-CERT encourages users and...

Microsoft Releases Out-of-Band Security Bulletin for Windows Kerberos Vulnerability

Microsoft has released security updates to address a remote elevation of privilege vulnerability which exists in implementations of Kerberos KDC in Microsoft Windows. Exploitation of this vulnerability could allow a remote attacker to take control of an affected system. US-CERT encourages users a...

OpenSSL Patches Four Vulnerabilities

OpenSSL has released updates patching four vulnerabilities, some of which may allow an attacker to cause a Denial of Service DoS condition or execute man-in-the-middle attacks. The following updates are available: OpenSSL 1.0.1 users should upgrade to 1.0.1j OpenSSL 1.0.0 users should upgrade to...

OpenSSL Patches Nine Vulnerabilities

OpenSSL has released updates patching nine vulnerabilities, some of which may allow an attacker to cause a Denial of Service DoS condition or force the client to revert to a less secure Transport Layer Security TLS 1.0 protocol. The following updates are available: OpenSSL 0.9.8 users should...

Microsoft Releases June 2014 Security Bulletin

Microsoft has released updates to address vulnerabilities in Windows, Office, Internet Explorer, Lync, and Lync Server as part of the Microsoft Security Bulletin Summary for June 2014. Some of these vulnerabilities could allow remote code executions. US-CERT encourages users and administrators to...

Apple Releases Security Updates for Safari

Apple has released updates for Safari to address multiple vulnerabilities, some of which could allow a remote attacker to execute arbitrary code or cause a denial of service. Safari 6.1.4 and Safari 7.0.4 updates are available for: OS X Lion v10.7.5 OS X Lion Server v10.7.5 OS X Mountain Lion...

Google Releases Security Update for Chrome

Google has released Chrome 34.0.1847.137 for Windows, Mac, and Linux to address multiple vulnerabilities. Some of these vulnerabilities could potentially allow an attacker to take control of the affected system. US-CERT encourages users and administrators to review the Google Chrome Blog post and...

Easter Holiday Phishing Scams and Malware Campaigns

As the Easter holiday approaches, US-CERT reminds users to stay aware of holiday scams and cyber campaigns, which may include: shipping notifications that may be phishing scams or may contain malware electronic greeting cards that may contain malware requests for charitable contributions that may...

Adobe Releases Security Updates for Flash Player and AIR

Adobe has released security updates to address multiple vulnerabilities in Adobe Flash Player and AIR. Exploitation of these vulnerabilities may allow an attacker to take control of an affected system. The following updates are available: Flash Player 13.0.0.182 for Windows and Macintosh Flash...

Microsoft Releases April 2014 Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Office, Office Services, Web Apps, Windows and Internet Explorer as part of the Microsoft Security Bulletin Summary for April, 2014. These vulnerabilities could allow remote code executions. US-CERT encourages users and...

Ubuntu Releases Security Updates

Ubuntu has released security updates to address a vulnerability in the Mutt E-mail Client for Ubuntu 13.10, 12.10, 12.04 LTS, and 10.04 LTS. This vulnerability may allow an attacker to take control of a system via a crafted email. Users and administrators are encouraged to review Ubuntu Security...

Google Releases Chrome Update

Google has released Google Chrome 33.0.1750.149 for Windows, Mac, and Linux to address multiple vulnerabilities, some of which could allow a remote, unauthenticated attacker to compromise a vulnerable system. US-CERT encourages users and administrators to review the Google Chrome release blog ent...

Apple Releases QuickTime 7.7.5

Apple has released QuickTime 7.7.5 for Windows operating systems to address multiple vulnerabilities, which may lead to an unexpected application termination or arbitrary code execution. US-CERT encourages users and administrators to review Apple Support Article HT6151 and apply any necessary...