Cyber Defense Advisors

Cyber Threat Trends

Winter Vivern: Zero-Day XSS Exploit Targets Roundcube Servers

ESET Research reported the vulnerability to the Roundcube team on October 12

Cyber News, Cyber Threat Trends

Winter Vivern: Zero-Day XSS Exploit Targets Roundcube Servers

ESET Research reported the vulnerability to the Roundcube team on October 12

Cyber News, Cyber Threat Trends

Winter Vivern: Zero-Day XSS Exploit Targets Roundcube Servers

ESET Research reported the vulnerability to the Roundcube team on October 12

Cyber News, Cyber Threat Trends

Winter Vivern: Zero-Day XSS Exploit Targets Roundcube Servers

ESET Research reported the vulnerability to the Roundcube team on October 12

Cyber News, Cyber Threat Trends

Winter Vivern: Zero-Day XSS Exploit Targets Roundcube Servers

ESET Research reported the vulnerability to the Roundcube team on October 12

Cyber News, Cyber Threat Trends
  • by
  • October 25, 2023

Nation State Hackers Exploiting Zero-Day in Roundcube Webmail Software

The threat actor known as Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023, to harvest email messages from victims’ accounts. “Winter Vivern has stepped up its operations by using a zero-day vulnerability in Roundcube,” ESET security researcher Matthieu Faou said in a new report published today. Previously, it was using […]

Cyber News, Cyber Threat Trends
  • by
  • October 25, 2023

Critical OAuth Flaws Uncovered in Grammarly, Vidio, and Bukalapak Platforms

Critical security flaws have been disclosed in the Open Authorization (OAuth) implementation of popular online services such as Grammarly, Vidio, and Bukalapak, building upon previous shortcomings uncovered in Booking[.]com and Expo. The weaknesses, now addressed by the respective companies following responsible disclosure between February and April 2023, could have allowed malicious actors to

Cyber News, Cyber Threat Trends
  • by
  • October 25, 2023

A Cybersecurity Framework for Mitigating Risks to Satellite Systems

Cyber threats on satellite technology will persist and evolve. We need a comprehensive cybersecurity framework to protect them from attackers.

Cyber News, Cyber Threat Trends