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SECURITY ALERTS


120 COMPROMISED ADVERTISEMENT SERVERS PUT MILLIONS OF INTERNET USERS AT RISK


Posted on April 20, 2021April 20, 2021 by Gabriel McLeish
20
Apr

An ongoing “malvertising” campaign dubbed “Tag Barnakle” was identified as the
breach point of more than 120 Advertisement servers over the past year.

The threat actors aim to inject code to host Adware that redirects users to
domains under threat actors’ control, exposing them to more malware.

The adversaries behind the Tag Barnakle campaign are upgrading their tools to
target mobile devices in addition to the initial targets, such as the
open-source advertising server Revive.


THE IMPACT

If someone were to engage with the Adware, their devices could become
compromised and potentially used as a base for further attacks.


THE REMEDIATION

As the malvertising campaign is still active, thousands if not millions of
devices are still at risk. Whilst there is no specific remediation, the
following are recommendations on reducing the risk of compromise:

 1. Raise awareness in an organisation, and social engineering encompasses more
    than phishing. Potential victims need to be made aware of the dangers of
    clicking on Adware as well.
 2. Keep all antivirus software’s and software versions up to date and make sure
    that all necessary detection settings are enabled.
 3. Applications and software should only be downloaded and or purchased from a
    reputable source.

Source: The Hacker News


This entry was posted in Security Alerts and tagged Advertisement Servers.

GABRIEL MCLEISH



What’s the difference between SOC 1, 2 and 3?
Cyber Supply Chain Risk Management – Should Penetration Testing be Required?


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