October 8, 2020 | 10:02

BSI warns about Exchange

40.000 Companies in Germany affected The BSI (German Federal Authority for Informationsecurity) warns with the second highest level “orange” (= the IT threat situation is mission critical. massive disruption of regular operations) in the public media1. Around 40,000 companies in Germany alone are affected by several critical vulnerabilities because security updates have not yet been installed2. In fact, Heise speaks of playing Russian roulette3. It’s not without reason that I have been warning for several years now about interlocking internal AD and internet functions like Microsoft does deliberatly. Read more

October 8, 2020 | 08:10

Quote of the Day

Over the recent days, information leaked out how the UK authorities cope with their reported Corona figures. Due to a “technical problem”, about 16,000 Infected including 50,000 contact persons have somehow “got lost”1. Well actually, they are using a bunch of Microsoft Excel files. Unfortunately, a spreadsheet stops working at 1,048,576 lines. Yesterday evening I listened to “The Bunker” podcast2 with the beautiful title “Orange Hawk Down - plus Dirty Data Returns” and was given the best quote so far: Read more

October 7, 2020 | 10:00

Another Exchange Migration to Linux

One more SME customer (approx. 250 users spread over several nationwide locations) is migrating away from Exchange to free and Open Source solution. With the ready-to-use installation of a new Linux mail server I have provided my very modest contribution. The rest of the user and the data transfer will be done by the customer’s own IT department. Users can continue to work in their familiar Outlook and mobile client environment when the new EAS accounts are rolled out “side-by-side” to the existing onces. Read more

September 23, 2020 | 12:40

Regarding Mailservers

Today I’ve recieved a Email with following Headers: Arc-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none Erhalten: from xxxxxxxx.protection.outlook.com May I ask openly what this “protection” outlook.com server does in the absence of common spam and security features? There are numerous tools in the web for (self-)checking. I usually provide this link and try to lead by example before going into further details like IP-Stripping, pentests or security: https://mxtoolbox.com/domain/jakobssystems.net/ With this in mind, Read more

September 21, 2020 | 12:26

Digitization in Schools: Micosoft Myth-Busted

Today Mike Kuketz published a great article in his blog on Digitization in schools and on educational policy, unfortunately in German only, but worth to read: Bildungswesen: Entlarvung der häufigsten Microsoft-Mythen Have fun reading and a good start to the week! Here are some Power-Quotes: Therefore, only product training courses take place. The expiration date for such trained knowledge will be exceeded by the next update of the user interface and subsequently has to be re-learned. Read more

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