Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
Apple
Apple makes its quantum-resistant encryption open source

Apple has published its post-quantum cryptography implementations in corecrypto, together with mathematical proofs and verification tools for independent expert evaluation, …

Fractal
Meet Fractal, an OS made for microarchitecture reverse engineering

Probing how a CPU isolates user code from kernel code is messy work. Researchers patch kernels, write drivers, or boot stripped-down bare-metal programs, and any of those …

infostealers
New macOS infostealer impersonates Apple, Microsoft, and Google in a single attack chain

A SHub macOS infostealer variant called Reaper impersonates Apple, Microsoft, and Google to trick users into executing malicious code, then targets browser data, password …

Apple
Thieves unlock stolen iPhones using cheap tools sold on Telegram

Helping a friend recover a stolen phone, Infoblox researchers uncovered a thriving Telegram-based underground marketplace selling unlocking tools and phishing infrastructure …

Apple
iOS 26.5 is out, bringing encrypted RCS messaging to iPhone and Android users

Apple is bringing long-awaited end-to-end encryption to Rich Communication Services (RCS) messaging between iPhone and Android users in iOS 26.5. The feature is launching in …

Patch Tuesday
May 2026 Patch Tuesday forecast: AI starts driving security industry changes

Microsoft May 2026 Patch Tuesday is now live: Many fixes, but no zero-days Project Glasswing. This is one of three major security industry changes I’ll cover today. The …

Apple
Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950)

Apple has rolled out security updates for iPhones and iPads that fix CVE-2026-28950, a logging issue in Notification Services that made devices unexpectedly retain …

Apple Intelligence
Apple Intelligence flaw kept stolen tokens reusable on another device

Apple claims that Apple Intelligence, a GenAI service provided on its operating systems, is designed with an extra focus on user security and privacy through a two-stage …

Apple AirTag
Apple AirTag tracking can be misled by replayed Bluetooth signals

Apple’s AirTag is designed to help users track lost items by relying on a vast network of nearby Apple devices. New research shows that this same system can be manipulated to …

Patch Tuesday
April 2026 Patch Tuesday forecast: Spring-cleaning of a preview

I just blinked and the first quarter of the year is GONE. Where does the time go? I looked back at my article from last month where I touched on the use of AI and some of the …

Apple
DarkSword exploit forces Apple to loosen its patching policy

Apple has extended security updates to a wider range of devices still running iOS 18, aiming to protect users from the DarkSword exploit kit. This is not the first time Apple …

Apple
Apple counters ClickFix attacks with macOS Terminal warning

Apple has added a new security feature in macOS Tahoe 26.4 that warns users before they enter commands in Terminal that could cause harm. The goal is to stop ClickFix attacks, …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released when there is breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools