Security

April 15, 2019

THREAT RESEARCH

New HawkEye Reborn Variant Emerges Following Ownership Change

HawkEye is another example of malware being marketed across various hacking forums. Talos observed ongoing malware distribution campaigns attempting to leverage the latest version of the HawkEye keylogger/stealer, HawkEye Reborn v9, against organizations to steal sensitive information and account credentials for use in additional attacks and account compromise.

April 15, 2019

THREAT RESEARCH

Vulnerability Spotlight: Multiple vulnerabilities in Shimo VPN’s helper tool

Cisco Talos is disclosing a series of vulnerabilities found in the Shimo VPN Helper Tool. Shimo VPN is a popular VPN client for MacOS that can be used to connect...

April 15, 2019

SECURITY

Black Hat Asia 2019: Watch Out for the Secondary Payload

Cisco Security was a proud technology partner in the Network Operations Center (NOC) at Black Hat Asia, providing secure and open Internet access to attendees. See what the NOC discovered.

April 12, 2019

THREAT RESEARCH

Threat Roundup for April 5 to April 12

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Apr. 5 and Apr. 12. As with previous roundups, this post isn't meant to be an...

April 11, 2019

THREAT RESEARCH

Sextortion Profits Decline Despite Higher Volume, New Techniques

Sextortionists are doing everything to evade spam filters and convince potential victims that perceived threats are real. Here are some recent changes we’ve seen in the sextortion email landscape.

April 9, 2019

THREAT RESEARCH

Gustuff banking botnet targets Australia

Cisco Talos has uncovered a new Android-based campaign targeting Australian financial institutions. As the investigation progressed, Talos came to understand that this campaign was associated with the "ChristinaMorrow" text message...

April 5, 2019

SECURITY

Social media and black markets

Cybercrime happens in hidden corners of the Internet, but also in social networks: Cisco Talos uncovered 74 criminal groups on Facebook. Fortunately, Cisco has a layered defense against cybercriminals.

April 5, 2019

THREAT RESEARCH

Threat Roundup for March 29 to April 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Mar. 29 and Apr. 5. As with previous roundups, this post isn't meant to be an...

April 5, 2019

THREAT RESEARCH

Hiding in Plain Sight

Talos has compiled a list of 74 groups on Facebook promising to carry out an array of cyber dirty deeds, and we are tracking their potential impact on Cisco customers.

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