After a ransomware attack hit a technology vendor that helps provide transparency around elections, many cybersecurity experts are worried about a new avenue of attack on the upcoming elections.

Tyler Technologies, which sells which sells software to state and local governments, announced it was hit with a cyberattack on Sept. 23. The Plano, Texas, company has offered few details, saying the attack is under investigation, but it said the attackers targeted the company’s internal telephone and information technology systems with ransomware.