Cyber Defense Advisors

Month: August 2023

  • by
  • August 28, 2023

Experts Uncover How Cybercriminals Could Exploit Microsoft Entra ID for Elevated Privilege

Cybersecurity researchers have discovered a case of privilege escalation associated with a Microsoft Entra ID (formerly Azure Active Directory) application by taking advantage of an abandoned reply URL. “An attacker could leverage this abandoned URL to redirect authorization codes to themselves, exchanging the ill-gotten authorization codes for access tokens,” Secureworks Counter Threat Unit (

Cyber News, Cyber Threat Trends
  • by
  • August 28, 2023

Black Hat USA 2023 NOC: Network Assurance

The Black Hat Network Operations Center (NOC) provides a high security, high availability network in one of the most demanding environments in the world – the Black Hat event. The NOC partners are selected by Black Hat, with Arista, Cisco, Corelight, Lumen, NetWitness and Palo Alto Networks delivering from Las Vegas this year. We appreciate […]

Cyber News, Cyber Threat Trends
  • by
  • August 28, 2023

5 Ways to Prepare for Google’s 90-Day TLS Certificate Expiration

With bad guys frequently upping their game, security can’t leave these protections to a once-a-year upgrade.

Cyber News, Cyber Threat Trends
  • by
  • August 28, 2023

London Police Warned to Stay Vigilant Amid Major Data Breach

Hackers hit a third-party contractor’s IT systems, but they didn’t steal any addresses or financial details, officials say.

Cyber News, Cyber Threat Trends
  • by
  • August 28, 2023

Programmatic Governance in GCP

Multicloud.7 Deployments, Configurations, Templates, glcoud, and API calls Continue reading on Cloud Security »

Cyber News, Cyber Threat Trends

Remotely Stopping Polish Trains

Turns out that it’s easy to broadcast radio commands that force Polish trains to stop: …the saboteurs appear to have sent simple so-called “radio-stop” commands via radio frequency to the trains they targeted. Because the trains use a radio system that lacks encryption or authentication for those commands, Olejnik says, anyone with as little as […]

Cyber News, Cyber Threat Trends

Remotely Stopping Polish Trains

Turns out that it’s easy to broadcast radio commands that force Polish trains to stop: …the saboteurs appear to have sent simple so-called “radio-stop” commands via radio frequency to the trains they targeted. Because the trains use a radio system that lacks encryption or authentication for those commands, Olejnik says, anyone with as little as […]

Cyber News, Cyber Threat Trends

Remotely Stopping Polish Trains

Turns out that it’s easy to broadcast radio commands that force Polish trains to stop: …the saboteurs appear to have sent simple so-called “radio-stop” commands via radio frequency to the trains they targeted. Because the trains use a radio system that lacks encryption or authentication for those commands, Olejnik says, anyone with as little as […]

Cyber News, Cyber Threat Trends

Remotely Stopping Polish Trains

Turns out that it’s easy to broadcast radio commands that force Polish trains to stop: …the saboteurs appear to have sent simple so-called “radio-stop” commands via radio frequency to the trains they targeted. Because the trains use a radio system that lacks encryption or authentication for those commands, Olejnik says, anyone with as little as […]

Cyber News, Cyber Threat Trends