Authorceyquem

French senator recommends to put a stop at the anti-terror mobile app

Finally, a report conducted by a study group of competent people full of common sense, from the French senate, has recognized the uselessness of the SAIP mobile application which has been developed under the previous French government as a way to warn the population about terrorist attacks in their neighborhood.

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802.11 Wi-Fi Throughput Calculator

From 11 Mbps with 802.11b up to above 1 Gbps in the 802.11ac and 802.11ax evolution of the protocol, here is a quick tool to calculate the theoretical physical throughput depending on the Wi-Fi generation and its parameters.

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My top 10 worst headaches as web developer

I have been developing websites and web applications for more than 15 years now and I wanted to list the top 10 situations where I spent (or wasted?) a lot of time debugging or managing a situation where the root cause was tricky (or stupid?).

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Hackers used SS7 exploit to steal SMS confirmation code and steal bank accounts

The German mobile operator O2 confirmed that hackers used an exploit of the SS7 protocol to steal Two Factor Authentication (2FA) SMS codes sent by online banking websites to confirm fund transfers. They could successfully steal money from O2 customers bank accounts doing fund transfers at night.

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What are 5G requirements? The IMT-2020 draft

The same way True 4G had a real definition based on IMT-Advanced, the ITU released in February 2017 the draft of IMT-2020 describing the minimum requirements related to technical performance for IMT-2020 radio interface(s), which sets the goals for 5G.
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5G Frequency Bands overview

One of the objectives of 5G requires a massive use of frequency bands to allow both flexibility of use cases and large chunks of bandwidth allocated for very high throughput. Here is a summary of what frequency bands are considered so far for 5G.

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HTTPS Encryption on Pornhub and YouPorn – the false impression of privacy

All High Tech news websites have announced it between the end of March and beginning of April: “Pornhub And YouPorn Enable HTTPS Encryption So Your Private Time Can Truly Remain Private”. This is a misleading understanding of what https does: in fact, your browsing habits are not so private with https.

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“noreply” or the best way to turn down a potential customer engagement

I am sometimes puzzled by the customer experience I face when using a new online service, and I try to imagine the process used by the team who came up with the customer journey that I found annoying while using the service. An example is how some online services are using noreply@domain.com emails.

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Google Mobile Site Certification – Your mobile website size and speed matters

Google has just launched a great certification program called “mobile sites” where they advocate for their vision of how mobile websites should be designed and optimized to improve the user experience. It gives some interesting statistics on page size and loading speed that everyone involved in website development should know.

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An admin with fat fingers took down Amazon S3

Amazon has shared the root cause analysis of the major outage they have faced on 28th of February and taking down S3, and affecting AWS, EC2 and other services relying on S3.
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