What’s Going On — and Why It Matters

• The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning: both iPhone and Android users should take immediate steps to secure their smartphones.
• The alert comes amid growing use of commercial spyware that potentially bypasses encryption — meaning private messages on apps like Signal, Telegram, and WhatsApp could be exposed.
• According to CISA, multiple threat actors are actively targeting mobile messaging users — highlighting that this isn’t a hypothetical risk but a real, ongoing threat.

What You Should Do Right Now

CISA recommends — and you should consider — taking the following steps to protect your phone and data:

• Review your smartphone’s security settings immediately (lock screen, passcodes, device encryption, etc.).
• Consider using a trusted VPN — but only from reputable providers — to add a layer of security, especially when using public or untrusted Wi-Fi.
• Be cautious about installing apps, clicking unknown links, or accepting unexpected prompts. As spyware becomes more sophisticated, user vigilance matters more than ever.
• For messaging apps, ensure you’re using the most up-to-date version — since updates sometimes contain patches for vulnerabilities that spyware could exploit.

Bottom Line

Even if you’re careful, today’s spyware is getting sneaky. The fact that CISA is sounding the alarm for millions of users across iPhone and Android means it’s time to treat your smartphone like you’d treat a door to your home: lock it, guard it, and make sure you know what’s going in and out.

Staying updated with patches, using strong security settings, and adopting good habits (like avoiding sketchy apps or untrusted networks) can go a long way — especially now.

Recommended Smartphone Security Best Practices

• Enable strict device protection
  • On iPhone: turn on “Lockdown Mode,” disable fallback-to-SMS for iMessage, enable “iCloud Private Relay,” and review/restrict permissions for camera, microphone, location, etc.
  • On Android: pick a phone from a manufacturer known for timely security updates and hardware-level protections.
• Use secure messaging / avoid unencrypted messaging when possible
  • Prefer end-to-end encrypted apps (e.g. Signal, WhatsApp) rather than SMS/text or unencrypted communications.
  • If using messaging on Android, only use extended features such as RCS if end-to-end encryption is enabled.
• Enable browser/device security and safe-browsing features
  • On Android: turn on “Enhanced Protection” (or “safe browsing”) in your browser and enable the built-in malware protection (e.g. Google Play Protect).
  • Keep your phone’s operating system and apps up to date with the latest security patches.
• Be very cautious about apps, links, and downloads
  • Only install apps from trusted, official sources/stores — avoid sideloading or installing suspicious apps.
  • Regularly review what permissions each app has (camera, mic, location, etc.) and revoke any that aren’t essential.
• Re-evaluate use of VPNs for casual users
  • CISA warns that “personal VPNs” can shift risk rather than remove it — some VPN providers may have weak privacy/security or even be malicious. So, avoid using untrusted VPN services.
• Assume risk — especially if you may be a “high-value target”
  • While many recent attacks focus on high-value individuals (journalists, activists, government / military staff, etc.), everyday users, especially with outdated devices or weak security settings, also remain vulnerable.

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