Kili Linux 2021.3 was released & upgraded with new hacking tools, added an OpenSSL compatibility, Kali Live VM support, and more.
Offensive security used to release Kali Linux versions update each and every year with new features in order to provide the best experience for the cybersecurity community. It’s the third update for this year since Kali Linux 2021.1 was released in February 2021, and Kali Linux 2021.2 was released in June.
In this Kali Linux 2021.3 released, the Offensive Security team focused on the following features:-
- OpenSSL
- New Kali-Tools site
- Better VM support in the Live image session
- New tools
- Kali NetHunter smartwatch
- KDE 5.21
Unlike the previous update, Offensive security configured an OpenSSL for wider compatibility that allows users to access the older systems such as obsolete systems, and servers that using the legacy protocols (such as TLS 1.0 and TLS 1.1).
You can read more details about the OpenSSL here.
Without adding new tools, Kali Linux never launches an update for the new version, and the current update contains 7 new tools added the following:-
- Berate_ap – Orchestrating MANA rogue Wi-Fi Access Points
- CALDERA – Scalable automated adversary emulation platform
- EAPHammer – Targeted evil twin attacks against WPA2-Enterprise Wi-Fi networks
- HostHunter – Recon tool for discovering hostnames using OSINT techniques
- RouterKeygenPC – Generate default WPA/WEP Wi-Fi keys
- Subjack – Subdomain takeover
- WPA_Sycophant – Evil client portion of EAP relay attack
In the Kali Nethunter section, Kali NetHunter, Offensive security launched the first Kali NetHunter smartwatch names “the TicHunter Pro“

According to Kali Linux “It is still experimental, hence the features are limited to USB attacks, and some basic functions. The hardware also has limitations, as such a small battery won’t supply enough voltage for any OTG adapters”
Kali linux 2021.3 comes with new Desktop & Theme Updates that contains the following changes:

- Improved GTK3 theme for Xfce’s notifications and logout-dialog
- Redesigned GTK2 theme for a better fit of older programs
- Improved Kali-Dark and Kali-Light syntax-highlighting themes for GNOME and Xfce
Download Kali Linux 2021.3
You can download the new version of Kali Linux, (Kali Linux 2021.3) in both variants, 32-bit and the 64-bit for the following platforms from the official website:-
- Apple M1 platforms
- ARM and other mobile platforms
- As a virtual image for various VM implementations
Now you can use the following command to update your system to the latest Kali Linux 2021.3:-
sudo apt update && sudo apt -y full-upgrade
If you are already having a Kali Linux and want to upgrade;
kali@kali:~$ echo “deb http://http.kali.org/kali kali-rolling main non-free contrib” | sudo tee /etc/apt/sources.list
kali@kali:~$
kali@kali:~$ sudo apt update && sudo apt -y full-upgrade
kali@kali:~$
kali@kali:~$ [ -f /var/run/reboot-required ] && sudo reboot -f
kali@kali:~$
For new installation you can download from here.
To check after upgradation for Kali Linux 2021.3;
kali@kali:~$ grep VERSION /etc/os-release
You are also recommended to review our Kali Linux Tutorials which cover dozens of Kali Linux Tools. Also, Learn the Kali Linux course and complete Kali Linux Commands List.