Network Insight

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Network Security Challenges for Organizations with a Remote Workforce

Recently, the need for being able to work remotely has dominated the news, making it clear that the ability to connect from anywhere may soon become the norm for more businesses and industries than ever before. While remote work may be coveted by…

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Lessons learned from a data breach

Data breaches have been plaguing organizations for years, and the numbers continue to climb. After a breach, an organization goes into survival mode—trying to recover data, reestablish trust, and ensure they can keep their business running. It’s understandable that there isn’t much leisure…

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What is zeppelin ransomware

Zeppelin is the latest member of the VegaLocker ransomware family, which also contains strains like Jamper, Storm, or Buran. Zeppelin is an example of well-organized threat actors, as those behind Zeppelin have been incredibly strategic in carefully targeting these ransomware attacks. First spotted…

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In the first series of this introduction to Linux and flash, we began with a basic lesson on flash memory. In part two, we can begin to tackle how Linux interacts with it. From this point forward, we’ll focus on NAND flash, with the…

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During hardware-oriented engagements, we are sometimes faced with a hardware device's firmware image. This may happen because we downloaded a firmware upgrade image to try to understand a device with a view of finding security flaws, or we may find an unknown device…

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The latest and greatest in Linux-MTD is UBI and UBIfs. It is important to keep in mind that UBI is not the same as UBIfs. These two are actually two layers in a stack. UBI UBI (unsorted block images) is an abstraction layer that rides…

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Though its origins date back to 2017, Smominru is a dangerous botnet that has been making headlines recently as it continues to spread, attacking targets in every industry. Smominru, which also operates under known variants like including Hexmen and Mykings, has infiltrated hundreds…

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There have been many stories in the news about Ryuk, a targeted and powerful piece of ransomware that has been attacking organizations, including municipal governments, state courts, hospitals, enterprises, and large universities. Many of these organizations have paid hefty fees to recover their…

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False positive

The phrase “false positive” has become so ubiquitous in Information Security that we often don’t stop to consider what it means or how it is used. Many use the term to describe every alert generated by a tool that does not lead to…

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Even as its top marketplace, Dream Market, prepares to close its doors, the dark web continues to thrive. In fact, Darkode, one of the most well-known hacking forums and black markets, has recently reopened. And what are some of the most common wares…

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