Category: alerts

The lack of cybersecurity requirements in weapons contracts from the Department of Defense opens the door for dangerous cyberattacks. Read more

A new variant of the Gafgyt botnet – that’s actively targeting vulnerable D-Link and Internet of Things devices – is the first variant of the malware to rely on Tor communications, researchers say. Read more

The cyberattack on SITA, a nearly ubiquitous airline service provider, has compromised frequent-flyer data across many carriers. Read more

Researchers with Microsoft and FireEye found three new malware families, which they said are used by the threat group behind the SolarWinds attack. Read more

Original release date: March 4, 2021 CISA is aware of threat actors using open source tools to search for vulnerable Microsoft Exchange Servers and advises entities to investigate for signs of a compromise from at least September 1, 2020. CISA has updated the Alert on the Microsoft Exchange server vulnerabilities with additional detailed mitigations.    CISA… Read more

Original release date: March 4, 2021 The National Security Agency (NSA) and CISA have released a Joint Cybersecurity Information (CSI) sheet with guidance on selecting a protective Domain Name System (PDNS) service as a key defense against malicious cyber activity. Protective DNS can greatly reduce the effectiveness of ransomware, phishing, botnet, and malware campaigns by… Read more

Espionage attacks exploiting the just-patched remote code-execution security bugs in Microsoft Exchange servers are quickly spreading. Read more

Wireless mouse-utility lacks proper authentication and opens Windows systems to attack. Read more

Original release date: March 3, 2021 Summary Cybersecurity and Infrastructure Security (CISA) partners have observed active exploitation of vulnerabilities in Microsoft Exchange Server products. Successful exploitation of these vulnerabilities allows an unauthenticated attacker to execute arbitrary code on vulnerable Exchange Servers, enabling the attacker to gain persistent system access, as well as access to files… Read more

Original release date: March 3, 2021 CISA has issued Emergency Directive (ED) 21-02 and Alert AA21-062 addressing critical vulnerabilities in Microsoft Exchange products. Successful exploitation of these vulnerabilities allows an attacker to access on-premises Exchange servers, enabling them to gain persistent system access and control of an enterprise network.  CISA strongly recommends organizations examine their… Read more