Skip to main content

Learning Log 6

Learning how to use pfSense gave me an idea to use it for my home internet, especially, when I'd have my future kids. Blocking websites that are not intended for minors is a good way to hide content that are only for adults. For me, it is another way to avoid phishing websites and etc.

In our lecture, the topic physical security was being taught. It actually gave me a new perspective on how buildings handle their security. Like what kind of door should be used for fire exits which should be made of light timber and knowing that there are different kinds of water sprinklers that best fit a situation. There are numerous ways on how to secure a building but standards should be followed at least. No steel doors for fire exits, please.

In another lecture, it was like a review of our previous subject. We should take note of the broadcast domain and the collision domain of each network device (Hub, switch, and router). Setting up an environment for example, a company, needs firewalls for security. The firewalls are packet filtering, packet inspection, and the application firewall.

Below is the cleanest picture you'd ever see.

Comments

Post a Comment

Popular posts from this blog

Learning Log 5

We were given an exercise about the RSA Algorithm and the Diffie Hellman Algorithm. In the RSA Algorithm, I found a way to find the value of the  d  variable that is easier than guessing. It is by using the Extended Euclidean algorithm. In Diffie Hellman, I believe I haven't found an easier way to find the values of the variables. All in all, I learned how to understand and use these algorithms. I am excited to learn more algorithms for security.
Post a Comment
Read more

Learning Log 4

They say that the human mind is the most complex computing device in the world (although that analogy is simply not true, since a brain isn’t really a computer as a certain article says that a brain does not process information as opposed to a computer). A three-gigahertz processor asks for directions on what to do three billion times per second, seems like a lot, then add the fact that a single computer nowadays require more than one of these processors. It almost seems insurmountable, until the brain comes in. The brain with its nuances, its folds, its ability to simply do the irrational , easily surmounting these processors. Were we to rank these processors (although the article attribute to above says that the brain does not process info), the brain would always come out on top. Ironically enough, in a security infrastructure, the brain, and the human who owns it, is the system’s greatest vulnerability. Unfortunately, the thing that makes us humans – irrationality, from wh...
Post a Comment
Read more

Learning Log 2

A part of our lesson in cryptography is the password policy and it gave me a different perspective on how account passwords are being secured. As what I've learned, passwords are the weakest type of authentication but it is the most commonly used. From my observations, companies handle the passwords differently. Some may be stricter than the other. I have an account from a website and when every time I try to reset my password, it asks for a unique one than the recent ones I've used. This proves that they handle the user's password history strictly. That kind of security may be annoying but they I guess they just want to avoid hackers. The recommended password to have is the one that's long, having caps and not, special characters, and numbers. The more complex your password is, the more hard it is to get hacked. I plan to change my usual password to a more complicated one asap. 
Post a Comment
Read more