Shares of Energy One (ASX:EOL) have risen as much as 2.9% to A$5.40, recording their highest level since early September.

The company has shone with the largest intraday jump since the middle of September.

The software supplier reassured stakeholders after finding no evidence of malicious activity on their customer systems following a cyber incident identified last month.

The company made clear their notification process is well underway for employees whose personal information had been compromised earlier.

As of the last closing, Energy One (ASX:EOL) has climbed up 17.5% year-to-date.

Energy One is a supplier of software solutions to the energy market.