ProxyShell

Vulnerabilities

Issued by: Dark Reading

While published trends in ransomware attacks have been contradictory — with some firms tracking more incidents and other fewer — business email compromise (BEC) attacks continue to have proven success against organizations. BEC cases, as a share of all incident-response cases, more than doubled in the second quarter of the year, to 34% from 17%…

Vulnerabilities

Issued by: Blog Malwarebytes

Last Saturday the Cybersecurity and Infrastructure Security Agency issued an urgent warning that threat actors are actively exploiting three Microsoft Exchange vulnerabilities—CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207. These vulnerabilities can be chained together to remotely execute arbitrary code on a vulnerable machine. This set of Exchange vulnerabilities is often grouped under the name ProxyShell. Fixes were available…