Wealthsimple, a leading Canadian online investment management service, has disclosed a data breach after attackers stole the personal data of an undisclosed number of customers in a recent incident. [...]

Over 3,300 Citrix NetScaler devices remain unpatched against a critical vulnerability that allows attackers to bypass authentication by hijacking user sessions, nearly two months after patches were released. [...]

Fortinet is warning about a remote unauthenticated command injection flaw in FortiSIEM that has in-the-wild exploit code, making it critical for admins to apply the latest security updates. [...]

Microsoft has found no link between the August 2025 KB5063878 security update and customer reports of failure and data corruption issues affecting solid-state drives (SSDs) and hard disk drives (HDDs). [...]

Cybersecurity company Zscaler warns it suffered a data breach after threat actors gained access to its Salesforce instance and stole customer information, including the contents of support cases. [...]

Palo Alto Networks suffered a data breach that exposed customer data and support cases after attackers abused compromised OAuth tokens from the Salesloft Drift breach to access its Salesforce instance. [...]