security Archivi - SPACECLICK https://www.spaceclick.com/blog/tag/security-en/ Technology, Engineering, Space Thu, 22 May 2025 06:14:42 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 /wp-content/uploads/2020/02/SpaceclickSC_Star_Square_W-ICON2_500-45x45.png security Archivi - SPACECLICK https://www.spaceclick.com/blog/tag/security-en/ 32 32 How SD-WAN Simplifies Network Management https://www.spaceclick.com/blog/how-sd-wan-simplifies-network-management/ Thu, 22 May 2025 06:14:42 +0000 https://www.spaceclick.com/?p=2739 The rapid evolution of technology has redefined how businesses manage their networks. Traditional WAN architectures, expensive and complex, face increasing demands for flexibility and agility. Organizations are seeking solutions that improve performance and optimize operational efficiency. Software-Defined Wide Area Networking (SD-WAN) provide robust management capabilities that far exceed those of conventional WANs. By leveraging centralized […]

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]]> From Firmware to Firewalls: A Secure Approach for Embedded Systems in Electronics https://www.spaceclick.com/blog/from-firmware-to-firewalls-a-secure-approach-for-embedded-systems-in-electronics/ Thu, 05 Dec 2024 12:29:35 +0000 https://www.spaceclick.com/?p=2713 Embedded system is a critical component that acts as the heart of today’s electronics and spans to industries such as healthcare, car manufacturing, and factories. This underlines the growing role of embedded software in the global market, their value in 2023 was USD 16.77 billion, and their CAGR for the years 2024-2030 is 9.1%. However, […]

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]]> Cloud Computing: Fundamentals in 2022 https://www.spaceclick.com/blog/cloud-computing-fundamentals-in-2022/ Mon, 28 Mar 2022 10:29:10 +0000 https://www.spaceclick.com/?p=2513 The term ‘cloud computing’ became popular in the early 2000s with the emergence of the “big 3” hyper-scale cloud-computing providers: Amazon Web Services (AWS), Google Cloud Platform, and Microsoft Azure, but the computing concept as a service has been around for as far back as the 1960s when the idea of renting time on a […]

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]]> How to calculate hash MD5-SHA1-SHA-256-CRC32 in Windows Linux Mac and online https://www.spaceclick.com/blog/how-to-calculate-hash-md5-sha1-sha-256-crc32-in-windows-linux-mac-and-online/ Sun, 01 Nov 2020 22:41:48 +0000 https://www.spaceclick.com/?p=1481 What they are  Hash are used in computer science to map a string (a sequence of bits) of arbitrary length into a string of predefined length.  It is a sort of ‘signature’ of an electronic document. For each string you can calculate a hash, so each different string will have different hashes.  However, calculating the […]

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]]> How the Windows password works and why when we type a wrong one it takes more time to login https://www.spaceclick.com/blog/how-the-windows-password-works-and-why-when-we-type-a-wrong-one-it-takes-more-time-to-login/ Sun, 01 Nov 2020 17:02:35 +0000 https://www.spaceclick.com/?p=1264 It may have happened that you entered the wrong password on Windows (XP/7/8/10…) and noticed that the computer took longer to retry the input field.  Many will have wondered why when you enter the correct password the PC recognizes it immediately, while it remains in a sort of semi-stall otherwise.   Some may have thought that […]

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]]> How to create a safe and easy to remember password https://www.spaceclick.com/blog/how-to-create-a-safe-and-easy-to-remember-password/ Sun, 01 Nov 2020 16:23:20 +0000 https://www.spaceclick.com/?p=1249 They say that the most used passwords are always the same (example: 123456, password, qwerty, etc. …), or in any case referable to birth dates or memorable moments of someone’s life. Well, using public characters or real places is not a good idea anyway: in fact there are some software (like John the Ripper) that are able to use huge dictionaries, […]

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]]> The ten most used (and not to be used) passwords https://www.spaceclick.com/blog/the-ten-most-used-and-not-to-be-used-passwords/ Sun, 01 Nov 2020 15:24:30 +0000 https://www.spaceclick.com/?p=1230 How do I choose a password?  There are many combinations, some more efficient, some less so; those that reminds us of our real lives should definitely be avoided.   Google’s message is clear: “Man’s best friend (the dog) does an exemplary job in protecting your home – so begins an article by Fox Van Allen, writing […]

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]]> What are DNS, how to configure and protect DNS on Windows https://www.spaceclick.com/blog/what-are-dns-how-to-configure-and-protect-dns-on-windows/ Sat, 31 Oct 2020 18:48:43 +0000 https://www.spaceclick.com/?p=1219 DNS stands for Domain Name System, it is the protocol used globally for domain name translations. What does it mean?  When we type in the name of a website (e.g. spaceclick.com) our computer sends a DNS request to an appropriate server to translate this name into an IP address (e.g. 105.0.0.155). And then it connects to that IP address […]

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]]> Phishing brought to extreme levels exploiting punycode – How it works, how it to prevent and be sure of websites through SSL https://www.spaceclick.com/blog/phishing-brought-to-extreme-levels-exploiting-punycode-how-it-works-how-it-to-prevent-and-be-sure-of-websites-through-ssl/ Fri, 30 Oct 2020 22:56:26 +0000 https://www.spaceclick.com/?p=1081 Punycode is an encoding system that serves to represent a sequence of unicode characters via an ASCII character sequence, to make it possible to use these sequences in domain names, without having to modify existing infrastructure and standards.  In this way you can manage internationalized domain names (IDNA) by adding the characters ‘xn–‘ to the beginning of the punycode string.  For example, by entering xn–google.com as address, we […]

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]]> Public IP address and DDNS: what it is, how to check and set it to reach devices in LAN from WAN https://www.spaceclick.com/blog/public-ip-address-and-ddns-what-it-is-how-to-check-and-set-it-to-reach-devices-in-lan-from-wan/ Thu, 18 Jun 2020 21:30:27 +0000 https://www.spaceclick.com/?p=1453 A computer or any device, when connected to a network (LAN), is identified by an IP address assigned by the router.  This address is usually in the form 192.168.X.Y and it is released by the router’s DHCP to identify the various devices connected to it.   However, since the router itself is connected to the Internet […]

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