Category Archives: Security

Flowgorithm, a visual programming tool with source code generation

Flowgorithm is one of the visual programming tools available today. Positive: visual programming, focus is more on the modelling on how to solve the problem than on the syntax of programing language like java, c# or python. can generate code … Continue reading

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Converting ISO 27002 into an excel and a graph

ISO 27002 “Code of practice for information security controls” list 144 controls with the same structure for all the controls. If one would like to work on these controls, like reusing them in another documentation or doing a presentation etc, … Continue reading

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Process reference model (PRM) for ISMS (ISO 27001)

ISO TS 33052:2016 “Process reference model (PRM) for information security management” is in interesting document which can be useful when evaluating the possible ways to implement the information security management system (ISMS) processes (see ISO 27001 ISMS requirements). This Technical … Continue reading

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OpenWrt, an alternative for improving network security at home with firewall and web proxy

Introduction OpenWrt is a Linux distribution that can be loaded into many wireless routers by replacing the original firmware with OpenWrt firmware. The picture below shows 2 such routers, together with Raspberry Pi on the right for comparison. My interest … Continue reading

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Second test, trying to use hand-cranked dc motor to charge USB devices (3 Watts working!)

Finally some good news and results. With a 12V DC motor, when used as a generator, it is possible to deliver close to 3.5 W for charging an android phone! This is a continuation to the previous blog. Working setup … Continue reading

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First test, trying to use hand-cranked dc motor to charge USB devices

Background I tried one hand power cell phone emergency charger with disappointing results. The device is very small, and it comes with a promizing USB connector. But when trying to charge either a USB power bank or mobile phone, it … Continue reading

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Sandboxie, for improved protection of your internet browsing sessions

Antivirus and firewall on your home computer are not protecting you from all malware. Depending on your browsing habits, and which kind of downloads you are doing, and from where, you also would benefit from VPN, network firewall and sandboxing. … Continue reading

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