The Critical Threats section of
the Security Posture tab displays the total number of unique critical
threats (by threat type) detected on your network, the total number of affected users,
and
the number of affected important users (marked by the star).
For more information about defining important users or endpoints, see User or Endpoint Importance.
Click the number of affected users to view additional details
on the User/Endpoint Directory screen.
For more information, see User/Endpoint Directory.
Critical threat detections include the following threat
types.
Threat Type
|
Description
|
Ransomware
|
Malware that prevents or limits users from accessing their
system unless a ransom is paid
|
Known Advanced Persistent Threats (APT)
|
Intrusions by attackers that aggressively pursue and compromise
chosen targets, often conducted in campaigns—a series of failed and successful
attempts over time to get deeper and deeper into a target network—and not isolated
incidents
|
Social engineering attacks
|
Malware or hacker attacks that exploits a security
vulnerability found in documents, such as a PDF file
|
Vulnerability attacks
|
Malware or hacker attacks that exploits a security
weakness typically found in programs and operating systems
|
Lateral movements
|
Searches for directories, email, and administration servers,
and other assets to map the internal structure of a network, obtain credentials to
access these systems, and allow the attacker to move from system to system
|
Unknown threats
|
Suspicious objects (IP addresses, domains, file
SHA-1 hash values, email messages) with the "high" risk level, as detected by Deep
Discovery Inspector, endpoint security products, or other products with Virtual
Analyzer
|
C&C callbacks
|
Attempts to communicate with a command-and-control (C&C) server
to deliver information, receive instructions, and download other malware
|