General

What you need to know about the OpenSSL vulnerability “heartbleed”

At the beginning of this week a new vulnerability in OpenSSL called Heartbleed was made public. OpenSSL is the library used by most computers to encrypt data sent across the Internet and not only. OpenSSL is perhaps the most widely deployed SSL library and appears in a wide variety of applications, including a number of Linux distributions (see […]

improve-your-security

Improve your security: New version of the free eBook available: 3 new articles and improved description

Hello dear reader, I have added new content in the book: – The long required introduction “Who should read this book?” which explains what the book is all about and why you should read it. – Chapter “Online Security”: Enable two-factor authentication for Tumbler – Chapter “Online safety for parents”: – Parental supervision for parents […]

General

Aktivierung der Zwei-Faktor-Authentifizierung bei Tumblr

Immer mehr soziale Medien, aber auch andere Webseiten, nutzen die Zwei-Faktor-Authentifizierung, um ihre Nutzer besser schützen zu können. Nach allen anderen großen Webseiten macht nun auch Tumblr diesen Schritt.     Befolgen Sie folgende einfache Schritte, um die Aktivierung durchzuführen: Gehen Sie zu Ihren Kontoeinstellungen. Klicken Sie die „Zwei-Faktor-Authentifizierung“ Schaltfläche an. Geben Sie Ihre Telefonnummer ein. Nun […]

General

How to enable two-factor authentication for Tumblr

More and more social media websites and not only are enabling two-factor authentication in order to secure their users better. Following all other major portals, now also Tumblr allows users to enable it.     Here is how to activate it in easy steps: Visit your account settings. Click the “Two-factor authentication” switch. Enter your […]