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Building a Ransomware Resilient Architecture

eSecurity Planet

While security teams layer essential preventative measures, resilience measures also need to be implemented in an architecture to reduce the impact of ransomware attacks on your backups. Threat actors cannot hack what they cannot see. All inter-VLAN traffic should go through a firewall. How could this have been prevented?

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What Is a DMZ Network? Definition, Architecture & Benefits

eSecurity Planet

The DMZ should be set up with at least one gateway device (typically a firewall ) that will filter external network packets through to the DMZ and monitor for unusual traffic or activity. In many cases, a dual firewall layout is implemented for a second round of network packet filtering before the LAN (see image below).

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Multiple Brocade SANnav SAN Management SW flaws allow device compromise

Security Affairs

The following vulnerabilities, discovered by the security researcher Pierre Barre , impact all versions up to 2.3.0 The following vulnerabilities, discovered by the security researcher Pierre Barre , impact all versions up to 2.3.0 These switches are running Linux and are powerful. They are ideal to host implants.”

Firewall 102
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New Go-written GobRAT RAT targets Linux Routers in Japan

Security Affairs

The Loader Script includes multiple functions, such as disabling Firewall, downloading GobRAT for the target machine’s architecture, creating Start Script and making it persistent, creating and running the Daemon Script, and registering a SSH public key in /root/.ssh/authorized_keys. ssh/authorized_keys.

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New GTPDOOR backdoor is designed to target telecom carrier networks

Security Affairs

In October 2021, CrowdStrike uncovered a campaign after the investigation of a series of security incidents in multiple countries. The cybersecurity firm added that the threat actors show an in-depth knowledge of telecommunication network architectures.

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China-linked LightBasin group accessed calling records from telcos worldwide

Security Affairs

China-linked cyberespionage group LightBasin hacked mobile telephone networks around the world and used specialized tools to access calling records. ” The hacking group initially compromised one of the telecommunication companies by leveraging external DNS (eDNS) servers which are part of the General Packet Radio Service (GPRS) network.

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The ultimate guide to Cyber risk management

CyberSecurity Insiders

Ambitious information security experts serve as a critical part of cyber risk management. The corporation is responsible for structuring IT and information security activities to protect its data resources, such as hardware, software, and procedures. This blog was written by an independent guest blogger. Risk assessment.