If your organization is using a website that relies on use of Adobe Flash player, you should start planning for an alternative solution, and here is why.

In 2017, Adobe came out with an announcement to flush the Flash Player. The end of life of this once gold-standard for a browser-based multimedia player has been scheduled for the end of the year 2020.
This announcement was preceded by an agreement made by technology moguls Facebook, Google, Microsoft, and Mozilla.
Since Adobe will be halting the Adobe Flash player distribution and update by that time, rich media makers must take this time to create new content using a different platform, or migrate any existing Flash content to new open formats.
I do not recommend to wait the full extent of these two years, because users already giving up on Flash

Security Concerns for Adobe Flash Player

For many years Flash was a successful, reliable tool for Adobe users during the age of PCs. Unfortunately, once we entered the era of open Web standards, mobile devices, and a high demand for touch interfaces, Flash simply was not able to be on par.
Adobe Flash Player has long been plagued with malware-related issues and has often been discovered to have vulnerabilities that enable cybercriminals to spread malware. Once security updates were not fast enough to keep up with malware-bit delivery, Flash became one of the favorite targets for hackers. The vulnerability of 2018
If you are going to use it to it’s final days, you must keep Flash updated to be sure that you are safe from online hacking. Alternatively, you can check the Adobe Flash version that your browser is using.

Security Concerns Exploit

That being said, in a twist of fate cybercriminals are exploiting the security concerns by counting on people trying to keep up with the latest versions of Adobe. The crooks use the social engineering methods by tricking users into “fake update”.  There has been a recurring trend where hacked sites display a message that scams people into downloading what seems to be an updated version of Adobe Flash but is in fact malware.
Fake Flash Player Screenshot
This Adobe Flash update scam is different from the rogue package installer that resulted from the October 2108 vulnerability, in that it is not at all related to the real Flash Player.

Flash Support Per Browser

Recommendation for users

The best and easiest is to avoid Flash unless you absolutely need it. The program has been plagued with malware and related issues for a very long time. Before you install the player, try a browser that has a safe, embedded Flash player such as Google Chrome. Most times, Flash apps work just fine and it will keep you safe.

Recommendation for websites

The vast majority of websites worldwide no longer use Flash for media display. If your current website or some of it components still rely on using Flash, start planning for the alternative methods of rich media display.