Security warnings identify potential threats, unsafe configurations, or urgent weaknesses so organizations can assess risk and take protective action.
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Background for this topic.
Warning is a notification that a security-relevant condition may require attention, such as a newly disclosed vulnerability, suspicious authentication activity, malicious campaign, unsafe configuration, or deceptive message. In security news, the term commonly covers public advisories and threat-intelligence notices as well as operational alerts generated by defensive systems; it does not by itself prove that an attack or compromise has occurred.
Practitioners should assess the warning’s source, affected products or environments, evidence, severity, exploitability, and recommended action. Vulnerability warnings may require identifying exposed assets, applying a fix or mitigation, and checking for exploitation; campaign warnings may provide indicators for detection and investigation. Alerts should be triaged against logs and other evidence, with significant findings routed into incident response. Because attackers can imitate urgent security notices, recipients should verify requests and access instructions through trusted channels, while excessive or poorly tuned alerts can create fatigue and obscure genuinely important signals.
Europol has notified over 400 websites that their online shops have been hacked with malicious scripts that steal debit and credit cards from customers making purchases. [...]
Telco EE warns of surge in text-based phishing messages as Christmas approaches
Justice secretary Robert Buckland has warned that deepfakes could be used to spread election disinformation
Researchers are warning of new phishing campaigns using crypto drainer malware to steal virtual currency
Organizations in the Defense Industrial Base (DIB) sector are in the crosshairs of an Iranian threat actor as part of a campaign designed to deliver a never-before-seen backdoor called FalseFont
The Israel National Cyber Directorate warns of phishing emails pretending to be F5 BIG-IP zero-day security updates that deploy Windows and Linux data wipers. [...]
PLUS: Cancer patients get ransom notes for Christmas, Delta Dental is the latest MOVEit victim, and critical vulns Infosec in brief MongoDB on Saturday issued an alert warning of "a security incident involving unauthorized access to certain MongoDB corporate systems, which includes exposure of customer account metadata and contact information."…
WordPress hosting provider Kinsta is warning customers that Google ads have been observed promoting phishing sites to steal hosting credentials. [...]