Exposing a Currently Active Iran Hackers Domains Portfolio – An OSINT Analysis – A PDF Paper

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Exposing a Currently Active Cyber Jihad Domains Portfolio – An OSINT Analysis – A PDF Paper

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Exposing a Currently Active WannaCry Ransomware Domains Portfolio – An OSINT Analysis – A PDF Paper

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Exposing a Currently Active Domain Portfolio of Currently Active High-Profile Cybercriminals Internationally – A PDF Paper

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Exposing a Currently Active NSO Spyware Group’s Domain Portfolio – An OSINT Analysis – A PDF Paper

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Power Over Ethernet Splitter Improves Negotiating Skills

Implementing PoE is made interesting by the fact that not every Ethernet device wants power; if you start dumping power onto any device that’s connected, you’re going to break things. The IEEE 802.3af standard states that the device which can source power should detect the presence of the device receiving power, before negotiating the power level. Only once this process is complete can the power sourcing device give its full supply. Of course, this requires the burden of smarts, meaning that there are many cheap devices available which simply send power regardless of what’s plugged in (passive PoE).

[Jason Gin] …read more

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Active Discussion About Passive Components

People talk about active and passive components like they are two distinct classes of electronic parts. When sourcing components on a BOM, you have the passives, which are the little things that are cheaper than a dime a dozen, and then the rest that make up the bulk of the cost. Diodes and transistors definitely fall into the cheap little things category, but aren’t necessarily passive components, so what IS the difference?

Resistors, Capacitors, Inductors, Transformers, Diodes*, and Memristors

That’s the list. Those are your passive components. Well, it’s not that easy. Also add in a bunch of types of …read more

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