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Alerts Feed Alerts

DATE NAME CATEGORIES DETAIL
N/A 2015-11-10 TA15-314A US-CERT Overview This alert describes the frequent use of web shells as an exploitation vector. Web shells can be used to obtain unauthorized access and can lead to wider network compr...
N/A 2015-10-13 TA15-286A US-CERT Overview   Dridex, a peer-to-peer (P2P) bank credential-stealing malware, uses a decentralized network infrastructure of compromised personal computers and web servers to...
N/A 2015-08-28 TA15-240A US-CERT Overview US-CERT has observed an increase in Domain Name System (DNS) traffic from client systems within internal networks to publically hosted DNS servers. Direct client acces...
N/A 2015-04-15 TA15-105A US-CERT Overview The Simda botnet – a network of computers infected with self-propagating malware – has compromised more than 770,000 computers worldwide [1]. The United S...
N/A 2015-04-13 TA15-103A US-CERT Overview A remote unauthenticated user may request a DNS zone transfer from a public-facing DNS server. If improperly configured, the DNS server may respond with information ab...
N/A 2015-04-09 TA15-098A US-CERT Overview AAEH is a family of polymorphic downloaders created with the primary purpose of downloading other malware, including password stealers, rootkits, fake antivirus, and r...
N/A 2014-12-19 TA14-353A US-CERT Overview US-CERT was recently notified by a trusted third party of cyber threat actors using a Server Message Block (SMB) Worm Tool to conduct cyber exploitation activiti...
N/A 2014-11-25 TA14-329A US-CERT Overview On November 24, 2014, Symantec released a report on Regin, a sophisticated backdoor Trojan used to conduct intelligence-gathering campaigns. At this time, the Regin ca...
N/A 2014-11-13 TA14-317A US-CERT Overview A technique labeled “Masque Attack” allows an attacker to substitute malware for a legitimate iOS app under a limited set of circumstances. Description M...
N/A 2014-11-10 TA14-310A US-CERT Overview Microsoft is ending support for the Windows Server 2003 operating system on July 14, 2015.[1] After this date, this product will no longer receive: Security patches...
N/A 2014-10-22 TA14-295A US-CERT Overview Ransomware is a type of malicious software (malware) that infects a computer and restricts access to it until a ransom is paid to unlock it. This Alert is the result o...
N/A 2014-07-31 TA14-212A US-CERT Overview This advisory was prepared in collaboration with the National Cybersecurity and Communications Integration Center (NCCIC), United States Secret Service (USSS), Financi...
N/A 2014-06-02 TA14-150A US-CERT Overview GameOver Zeus (GOZ), a peer-to-peer (P2P) variant of the Zeus family of bank credential-stealing malware identified in September 2011­1, uses a decentralized net...
N/A 2014-03-10 TA14-069A US-CERT Overview Microsoft is ending support for the Windows XP operating system and Office 2003 product line on April 8, 2014. [1] After this date, these products will no longer rec...
N/A 2014-01-02 TA14-002A US-CERT Overview Point of Sale Systems When consumers purchase goods or services from a retailer, the transaction is processed through what are commonly referred to as Point of Sa...
N/A 2013-11-05 TA13-309A US-CERT Overview US-CERT is aware of a malware campaign that surfaced in 2013 and is associated with an increasing number of ransomware infections. CryptoLocker is a new variant of ran...
N/A 2013-07-26 TA13-207A US-CERT Overview Attackers can easily identify and access systems that run IPMI and are connected to the Internet. It is important to restrict IPMI access to specific management IP add...
N/A 2013-06-24 TA13-175A US-CERT Overview Attackers can easily identify and access internet-connected systems that use shared default passwords. It is imperative to change default manufacturer passwords and re...
N/A 2013-03-29 TA13-088A US-CERT Overview A Domain Name Server (DNS) amplification attack is a popular form of distributed denial of service (DDoS) that relies on the use of publically accessible open DNS serv...
N/A 2012-09-07 TA12-251A US-CERT Microsoft has announced the availability of an update to Windows that restricts the use of certificates with RSA keys that are less than 1024 bits in length. Microsoft is planni...
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