Security

Image: Secure network connections with IPsecIONOSby Gemini

Secure network con­nec­tions with IPsec

A big problem with the previous Internet Protocol version, IPv4, was the missing guarantee of security standards of integrity, au­then­ti­city, and con­fid­en­ti­al­ity. This previous protocol lacked the necessary means to identify data sources or enable secure transport. The protocol…

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Image: How to back up photosS_LShut­ter­stock

How to back up photos

There are many options for photo backup. Which solutions work best for storing your personal pictures? As image quality continues to improve, file sizes grow, making cloud-based photo backup an in­creas­ingly popular choice. How secure is it to keep your photos in the cloud, and…

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Image: What is WireGuard VPN and how does it work?IONOSby Gemini

What is WireGuard VPN and how does it work?

Wireguard offers a modern, fast, and secure al­tern­at­ive to tra­di­tion­al VPN protocols. With a stream­lined codebase, low hardware re­quire­ments, and optimised per­form­ance, it is par­tic­u­larly suited for mobile devices and the Internet of Things (IoT). In this article, you will learn…

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Image: How to enable and install Ubuntu SSHFuntapshut­ter­stock

How to enable and install Ubuntu SSH

Anyone who wants to enable secure remote con­nec­tions to an Ubuntu system can’t avoid the SSH security protocol. With OpenSSH, Ubuntu provides an SSH server as a software package that meets all essential re­quire­ments. By default, however, the Ubuntu SSH service is disabled or not…

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Image: How does SFTP (SSH File Transfer Protocol) ensure secure data transfer?hywardsShut­ter­stock

How does SFTP (SSH File Transfer Protocol) ensure secure data transfer?

With the SSH File Transfer Protocol (SFTP), data can be con­tinu­ously exchanged bi­d­irec­tion­ally without security gaps for an au­thor­ised group of people. The transfer occurs between client and server via an encrypted internet-based data line. The File Transfer Protocol (FTP) has…

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Image: Instagram hacked? Here’s what to doBrian A JacksonShut­ter­stock

Instagram hacked? Here’s what to do

As social networks grow, so does the risk of hacking. With so many private photos shared, Instagram hacked cases are in­creas­ingly common – often because attackers try to blackmail account owners. This guide shows you how to recover an Instagram account that’s been hacked and how…

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Image: Facebook account hacked? How to get your account backBrian A JacksonShut­ter­stock

Facebook account hacked? How to get your account back

Rising cy­ber­crime is also becoming in­creas­ingly evident on social networks. Platforms like Facebook are deeply in­teg­rated into both personal and pro­fes­sion­al life, making them at­tract­ive targets due to the large amount of personal data they contain. Learn what to do if your…

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Image: What is DMARC and how can you set it up?TierneyMJTierneyMJ

What is DMARC and how can you set it up?

How can you recognise fraud­u­lent email messages when they appear to come from trusted senders? DMARC helps identify fake messages and auto­mat­ic­ally takes action when a message fails au­then­tic­a­tion. It adds an important layer of pro­tec­tion against phishing, spoofing and other…

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Image: How do you convert a website to HTTPS (SSL)?Bakhtiar ZeinShut­ter­stock

How do you convert a website to HTTPS (SSL)?

Data security is more important than ever. If your site still uses HTTP, it’s time to switch to HTTPS. This guide explains how to safely and ef­fi­ciently migrate your website to HTTPS, step-by-step, suc­cess­fully switch to SSL en­cryp­tion, and ul­ti­mately create a secure website to…

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Image: How to encrypt and sign your emails with S/MIMEVictor MoussaShut­ter­stock

How to encrypt and sign your emails with S/MIME

Sending an email without extra security is akin to sending a postcard: If everything goes as expected, the message arrives intact and unread by anyone else. But if the postcard or email is in­ter­cep­ted during transit, the content can be read or altered freely. Discover how the…

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