Browse Definitions :
Definition

passive attack

Contributor(s): Matthew Haughn

A passive attack is a network attack in which a system is monitored and sometimes scanned for open ports and vulnerabilities. The purpose is solely to gain information about the target and no data is changed on the target.

Passive attacks include active reconnaissance and passive reconnaissance. In passive reconnaissance, an intruder monitors systems for vulnerabilities without interaction, through methods like session capture. In active reconnaissance, the intruder engages with the target system through methods like port scans.

Methods of passive attacks:
War driving detects vulnerable Wi-Fi networks by scanning them from nearby locations with a portable antenna. The attack is typically carried out from a moving vehicle, sometimes with GPS systems that hackers use to plot out areas with vulnerabilities on a map. War driving can be done just to steal an Internet connection or as a preliminary activity for a future attack.

In dumpster diving, intruders look for information stored on discarded computers and other devices or even passwords in trash bins. The intruders can then use this information to facilitate covert entry to a network or system.

An intruder might masquerade as an authorized network user and spy without interaction. With that access, an intruder might monitor network traffic by setting the network adapter to promiscuous mode.

A passive attack contrasts with an active attack, in which an intruder attempts to alter data on the target system or data en route for the target system.

This was last updated in August 2014

Continue Reading About passive attack

Start the conversation

Send me notifications when other members comment.

Please create a username to comment.

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchCompliance

  • risk management

    Risk management is the process of identifying, assessing and controlling threats to an organization's capital and earnings.

  • compliance as a service (CaaS)

    Compliance as a Service (CaaS) is a cloud service service level agreement (SLA) that specified how a managed service provider (...

  • data protection impact assessment (DPIA)

    A data protection impact assessment (DPIA) is a process designed to help organizations determine how data processing systems, ...

SearchSecurity

  • identity provider

    An identity provider is a system component that is able to provide an end user or internet-connected device with a single set of ...

  • firewall

    A firewall is software or firmware that enforces a set of rules about what data packets will be allowed to enter or leave a ...

  • encryption

    Encryption is the method by which information is converted into secret code that hides the information's true meaning. The ...

SearchHealthIT

SearchDisasterRecovery

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • disaster recovery team

    A disaster recovery team is a group of individuals focused on planning, implementing, maintaining, auditing and testing an ...

  • cloud insurance

    Cloud insurance is any type of financial or data protection obtained by a cloud service provider. 

SearchStorage

Close