Phishing played a part in more than half of all incident response engagements undertaken by Talos, Cisco's threat research organization, during the second quarter of 2026, with healthcare organizations and manufacturing firms among the top targets.

The post Talos: Attackers Refine Phishing Playbook To Target Critical Infrastructure appeared first on The Security Ledger with Paul F. Roberts.

In May 2026, hackers stole personal and dental health information from DentaQuest’s computer network.

The post DentaQuest Data Breach Potentially Impacts Over 23 Million People appeared first on SecurityWeek.

The PEAR ransomware group claimed to have stolen 3 TB of information from the medical business management company.

The post MCBS Data Breach Affects 1.2 Million Individuals appeared first on SecurityWeek.

Using social engineering, hackers compromised employee accounts with access to personal and health information.

The post Clover Health Investments Discloses Data Breach appeared first on SecurityWeek.

The WorldLeaks extortion group claimed to have stolen 720 GB of data from the healthcare testing and laboratory services provider.

The post Centers Laboratory Data Breach Affects 540,000 Individuals appeared first on SecurityWeek.