Amit Raj

What's the purpose of hashing file?

The point of a hashing file is that if the data changes, the hash changes. So if you know that the hash is correct (i.e. hash(data_you_have) = announced_hash), and if you know that the hash is good (i.e. announced_hash = hash(genuine_data)), then you know that you have the right data (data_you_have = genuine_data). So…

Salesforce

Answered Mar 3, 2022 · 1.8K Views Read answer →

Explain WPA2CCMP.

WEP, WPA, WPA2, and WPA3 refer to different certifications for securing a wireless network, each requiring certain standards. Each of them specifies different behaviour and offers different options. The original WEP used the stream cipher RC4 with a 104-bit key. Because RC4 does not accept a nonce, it produces a…

Cyber Security

Answered Feb 28, 2022 · 876 Views Read answer →

I just got to know that someone received a text from me that I didn't send, what am I supposed to do now?

There are two possible scenarios for someone receiving a text from me that I didn't send : There is a virus on the sender's phone, or the SMS was spoofed, as per the SMS Spoofing link in your post. I think the most likely scenario is that there is a virus on your phone that WebRoot is not able to detect. A good way to…

Cyber Security

Answered Feb 28, 2022 · 946 Views Read answer →

What's the difference between zix message center and phishing?

These days it's simple to create a fake email claiming to be from the zix message center with buried links to third party websites that have malware payloads waiting to be accessed and deployed. It's stunning to me that there are companies still using a supposedly secure message system that can be so easily…

Cyber Security

Answered Feb 27, 2022 · 966 Views Read answer →

I could not install packages due to an environment error, what should I do?

If You could not install packages due to an environment error, you either go with creating a Python virtual environment as suggested by Ernie.Or you can use the pip install --user option to install packages into your home directory where you have all required permissions. E.g.: pip install myPackage --user Do not…

Cyber Security

Answered Feb 10, 2022 · 1.4K Views Read answer →

I would like to know how to steal cookies?

Technically, the answer to your question - how to steal cookies can be answered as even if the contents in the cookie were to be encrypted, if cookies are properly copied to the new browser and the new browser sends the same HTTP headers (same user agent string, referrer is as expected, computer has same IP address,…

Cyber Security

Answered Feb 8, 2022 · 1.0K Views Read answer →

Can I use let's encrypt review for a website's SSL certificates or are there any downsides?

The reason to use Let's Encrypt review can be the price. Those certificates will be for free. But I see one possible disadvantage for non websites. Big CA offers wildcard certificates, Extended Validation certificates which have some advantages (from my point of view). Moreover this program is directed to web servers,…

Cyber Security

Answered Feb 2, 2022 · 0 Views Read answer →

I found a different port during the scan, it's port 49152. Is the modem or the router compromised?

I found this thread: http://ubuntuforums.org/showthread.php?t=1900623 In summary, port 49152 corresponds to nPNP port in some routers (in that thread is a D-link wbr-1310). Disabling it closed that port. About port 256, as it is related to VPN, look into the VPN settings in your router.

Cyber Security

Answered Feb 2, 2022 · 786 Views Read answer →

Which is better between MD5 vs SHA256?

Based on your note of "no attacks" it seems to me that you are asking: "What is the probability that a random change (e.g., bit flip during download) to a file will result in creating a new/different file with the same checksum as the original file?" For the case of MD5, this probability is: 1/(2^128) = 2.94e-39 =…

Cyber Security

Answered Feb 1, 2022 · 1.1K Views Read answer →

Why is 18atcskd2w considered a common password?

One of the most logical explanations is that those accounts were associated with a bot. Same goes for passwords like 18atcskd2w. Graham Cluley wrote an article about this: So, Just Why Is 18atcskd2w Such a Popular Password?Can so many people really be choosing to protect their online accounts with the same, seemingly…

Cyber Security

Answered Jan 25, 2022 · 1.4K Views Read answer →

Why is it necessary to confirm the old password when we create a new password?

It is to help you keep the account with yourself. Some Scenarios Your cookie is stolen by someone via a middleware or by some other methods, then if the site didn't prompt you for an old password, they can change the Password and Recovery email and then the account no longer belongs to you. If someone has access to…

SQL Server

Answered Jan 18, 2022 · 631 Views Read answer →

What can a wifi administrator see? Can they see all of my search histories?

As you are wondering what can a wifi administrator see, you should know that someone who has administrative access to the network you are connecting to can: View the IP address and domain names of the site you're connecting to (based on DNS query and/or SNI in TLS) and which email provider you're using, irrespective…

SQL Server

Answered Jan 18, 2022 · 1.1K Views Read answer →