CISA, in partnership with the National Security Agency and international cybersecurity partners, released Microsoft Exchange Server Security Best Practices, a guide to help network defenders harden on-premises Exchange servers against exploitation by malicious actors.
Ribbon Communications, a provider of telecommunications services to the U.S. government and telecom companies worldwide, revealed that nation-state hackers breached its IT network as early as December 2024.
Even with strong wireless encryption, privacy in connected homes may be thinner than expected.
Security researchers have discovered that as many as half of all geostationary satellites in Earth's orbit are carrying unencrypted sensitive consumer, corporate, and military information, making this data wide open to eavesdropping.
Hackers are abusing LinkedIn to target finance executives with direct-message phishing attacks that impersonate executive board invitations, aiming to steal their Microsoft credentials.
Android's scam defenses protect users around the world from over 10 billion suspected malicious calls and messages every month.
Experts warn that users should stay alert when using platforms such as ChatGPT or Gemini, since what seems like a simple exchange can still leave a lasting data trail.