Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

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Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in Cisco networking devices to deploy a rootkit and target unprotected Linux systems. The security issue ...

Cisco has warned of a high-severity security flaw in IOS Software and IOS XE Software that could allow a remote attacker to execute arbitrary code or trigger a denial-of-service (DoS) condition under ...

Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS code repository such as Bitbucket, mastery of the industry’s most powerful version control tools is within ...

Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude of ...

If you’re completely new to Microsoft Word, you’re probably wondering where to begin. You’ve come to the right place because we’ll get you started. From what you see in the Word window to how to save ...

AJ Dellinger is a writer, reporter, and editor based in Madison, Wisconsin. He has been published in Wired, Gizmodo, CNET, and a variety of other publications. He has covered small business and ...