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Scott To

3 posts published

Differences between Encoding, Encryption & Hashing

Differences between Encoding, Encryption & Hashing

Encoding, encryption and hashing, these terms, we may see them usually in our every daily working day. But there are still misunderstandings, they are commonly interchanged and used incorrectly. Knowing the differences, when and why to use each is important, in this post I will clarify each of concepts. It

Scott To Jan 4, 2022 • 4 min read
Base64 Encoding - How it works?

Base64 Encoding - How it works?

What is Base64 encoding?Base64 encoding is a binary-to-text encoding/decoding scheme. Base64 encoding is used when any binary data, such as images or video needs to be transmitted over systems that are designed to transmit data in a plain-text (ASCII) format. One example is Email system which uses SMTP

Scott To Jan 4, 2022 • 2 min read
Simple understading of Log4Shell - A big Log4j vulnerability

Simple understading of Log4Shell - A big Log4j vulnerability

This month, a high severity vulnerability in logging framework Log4j was exposed. Its code is CVE-2021-44228, aka Log4Shell, an easier to remember name. This vulnerability, which was discovered by Chen Zhaojun of Alibaba Cloud Security Team on December 9 2021, impacts Apache Log4j 2 versions 2.0 to 2.14.

Scott To Dec 26, 2021 • 2 min read
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