0P3N Blog
Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.


EML files are the most commonly known file format across the world. More then 30+ email clients use .eml files to store their emails/messages. EML is a plain text file that contains the header, body, and footer. EML Header - contains an email address, subject, from, to, cc, bcc, time, date, ...


You need to have eyes everywhere. With the countless sources of danger that exist everywhere from the grocery store to the park, you have to constantly remain alert and watchful. This is especially true for many when it comes to their homes, the personal sanctuaries they share with family and loved ones. Homes are major financial and emotional investments, ...


Whether you’re a website developer or an everyday person who occasionally uploads and shares pictures or makes scrapbook graphics, at some point, you’ve been presented with the task of having to save an image in some type of file format of your choosing. The issue is that many people, even some of the tech-savvy, have no idea which file ...

The current trend to “mobilize” banking services is phenomenal, with several leading banks and other financial institutions embracing this wonderful technology to reduce costs, improve customer outreach, and gain a competitive edge. However, most mobile banking apps are susceptible to hacking. For example, a study by the University ...


Have you ever encountered the Outlook error message “An unknown error occurred, error code: 0X800401d”? Here in this blog, we are going to discuss how you can easily fix this Outlook error: 0X800401d. MS Outlook is the most popular email client for e-communication within organizations. The PST files are created automatically by Microsoft ...


To establish your stand in an IT field, it is now mandatory to use cloud computing techniques. It is so because this technology is considered to be the latest, trending, and modern way of doing business. There is no disadvantage of using this new technology, but the only thing that needs to be focused on is ...


Synopsis " The human is the weakest link in the cybersecurity chain. " If you don't know about this "gossip" yet, well, it's a fact.When we hear about phishing, our normal response is to be careful about clicking links from email content that direct us to malicious websites on the Internet, yet we tend ...


With cloud services becoming increasingly popular among businesses, service providers are investing heavily in developing sophisticated tools that facilitate greater collaboration between employees, clients, etc. for increased productivity. The new and improved versions not only help increase productivity but also ensure the security of personal information and the data of clients and customers. ...


Ransomware is a type of cyberattack wherein malicious software takes control of a system and prohibits the user from accessing that system. The attacker usually encrypts a system to make it inaccessible and then demands a ransom from the user for resuming the services, which may or may not happen once the ransom is paid. The ...


What is hacking? Hacking though has negative connotations; it just means understanding the functioning of computer systems, and taking control of them, so they listen and act to your commands as against the original purpose for which they have been created! As such, hacking is only a tool or method and its consequences, good or bad, depends ...