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No, I Did Not Hack Your MS Exchange Server

Krebs on Security

The Shadowserver Foundation , a nonprofit that helps network owners identify and fix security threats , says it has found 21,248 different Exchange servers which appear to be compromised by a backdoor and communicating with brian[.]krebsonsecurity[.]top krebsonsecurity[.]top top (NOT a safe domain, hence the hobbling). At Least 30,000 U.S.

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Q&A: How emulating attacks in a live environment can more pervasively protect complex networks

The Last Watchdog

Spirent Communications , an 82-year-old British supplier of network performance testing equipment, recently decided to branch into cybersecurity services by tackling this dilemma head on. DeSanto: So before people did the simulated event in a lab setting, tied to a performance test, and so they were doing it as a spot check.

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Log4Shell Exploitation Grows as Cybersecurity Firms Scramble to Contain Threat

eSecurity Planet

Researchers with Netlab, a security unit of Chinese tech giant Qihoo 360, wrote over the weekend that their Anglerfish and Apacket honeypots detected two efforts to leverage Log4Shell to create Muhstik and Mirai botnets to attack Linux devices. Attackers are running obfuscation efforts around the requests to bypass string-matching detections.

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What is Network Security? Definition, Threats & Protections

eSecurity Planet

Network security creates shielded, monitored, and secure communications between users and assets. The router or switch then facilitated communication between the other devices on the network such as other servers, network storage, and printers. How Network Security Works Networks connect assets for the purpose of communication.

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34 Most Common Types of Network Security Protections

eSecurity Planet

These platforms make it possible for security teams to analyze consolidated threat feeds from various external alerts and log events. TIPs contextualize these threats, offering security teams more information, usually at a faster rate than vendor threat feeds.

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Network Security Architecture: Best Practices & Tools

eSecurity Planet

or specialized tools to deliver obfuscation defenses such as: Honeypots: Provide tempting targets for attackers that contain no valid information as one of several similar deception technologies to trigger alerts for early attack detection. Communication protocols (TCP, HTTPS, etc.): behind the proxy.

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10 Network Security Threats Everyone Should Know

eSecurity Planet

Traffic from these won’t show up in network scans unless they also use Wi-Fi or Ethernet connections, so these communications may go entirely undetected by IT teams. VPN Vulnerabilities Although VPNs create a private tunnel for organizations’ network communications, they can still be breached.

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