Humans are learners. Humans are also the products of their environments, and once something from the environment is learned it is very difficult to unlearn it. What you know becomes your ideology which determines, in large part, your cognitive biases, what you “know,” and what you will learn in the future.
Category: Elevator Pitches
#edtech for #edleaders: Passwords
Brute force attacks are one strategy whereby hackers attempt to access systems. A common brute force attack is to attempt to guess passwords. By requiring users have complex passwords—complexity being defined by length and different types of characters—system administrators can minimize the potential that brute force attack will guess the password. In the example pictured, Read More
QR and Data Security
Today, URL shortening services and quick response or QR code generation tools are widely available to internet users. While these are useful services when (for example) sharing links to your conference presentation materials with the in-person participants, they can easily be used by phishers for spoofing. Notice in the complete URL, you do have the Read More
#edtech for #edleaders: Malware
Most computer users would not knowingly spread malware, so hackers must use stealth methods to install the software. One example of a brute force attack is bots that search the internet for computers with unpatched operating systems that can be used a backdoors through which malware is installed. One of the most common methods of Read More
#edtech for #edleaders: End of Life
Several factors make it impossible for commercial software developers to update operating systems and applications indefinitely. Even open-source operating systems and applications that are developed by communities of programmers rather than businesses are usually retired. When software is retired, the publishers no longer release security updates. At that point, responsible IT professionals will upgrade the Read More
Elevator Pitch on Data Security
Hackers are individuals or groups who try to gain access to others’ computers. Phishers are individuals and groups who try to trick users into giving them access to a computer system. Both hackers and phishers are generally after either computing capacity or data. In some cases, they want to use our computers for nefarious purposes, Read More
Elevator Pitch: Firewalls
Even before computer viruses and network security became a concern, the idea of a firewall was familiar. We construct them to prevent certain unwanted “things” from passing through. The firewall in your car prevents an engine fire from passing into the passenger compartment. In IT systems, firewalls enhance network security by ensuring only certain types Read More
Elevator Pitch on Aspects of Learning
Human learning has aspects that are cognitive, but it also has social and emotional aspects, and deeper learning requires students connect with the curriculum in all three ways. The emotional and social aspects of human learning appear to be deeply embedded in our nature. It is reasoned our brain evolved to pay attention to what Read More
#edtech for IT: Digital Divides
Since about 2010, one-to-one computing and cloud-based computing have come to dominate school computing. In many schools, students carry Chromebook with them, and sometimes they take them home. (While the market share of educational computing devices is difficult to ascertain, estimates are that Chromebooks represent over 60% of the devices purchased for school users.) Some Read More
Elevator Pitch on Brains and Stress
Stress can be either good for brains or bad for brains, the effect depends on the level of stress that is experienced. What is true for physical stress (exercise) is true of psychological stress: none is bad, some is good, but too much is bad. Stress results in the release of a chemical called cortisol Read More