Hacker

Iranian hackers' targeting of US critical infrastructure has escalated since start of war, US says

According to the advisory, the hacking operations targeted unnamed critical infrastructure organizations in the government services and facilities, water and wastewater systems, and energy sectors.

 An illustration of a cyber hacker and the Iranian flag.
Iranian hackers, illustration.

Israeli entrepreneurs raise $11 million to fight vulnerabilities exploited by Iranian hackers

 Illustrative image of a cyberattack with Israeli and Iranian flags.

Israel major target for cyberattacks on critical infrastructure, study finds

Illustrative image showing a close up on an FBI agent in uniform.

FBI seizes Iranian domains tied to hacking, cyberwarfare, and threats against US and allies


Iran-linked hack group Handala publishes vaguely threatening poem addressed to Netanyahu

In recent years, Handala has frequently published claims on social media about hacking, obtaining sensitive information, and possessing embarrassing materials, mainly against Israeli targets.

Iranians hold banners of Benjamin Netanyahu during the annual al-Quds Day in Tehran, Iran, March 28, 2025

Iran's continued threats against Israel will lead to its downfall - editorial

If Iran persists in its current path, the result will not be chaos at no cost.

Protestors stand on an image of Iran's Supreme Leader Ayatollah Ali Khamenei with a cross through it, outside the Iranian Embassy on June 22, 2025 in London, United Kingdom.

Former prime minister Bennett’s Telegram hacked, not phone, despite Iranian group's claims

“Despite all of your pride and boasting, your digital fortress is nothing more than a paper wall waiting to be broken,” the group stated.

Former prime minister Naftali Bennett visits at the Western Wall in Jerusalem's Old City during Jerusalem day, May 26, 2025

'The hunt has begun': Iran-linked hackers put bounties for info on Israeli air defense developers

The release of information is part of a broader series of bounties, threats, and doxing.

Laptop and source code on the screen composing flag of Iran.

South Korea investigates North Korean hackers behind Upbit breach, Yonhap reports

South Korea suspects North Korea's Lazarus Group is behind the $30.4M hack of the Upbit crypto exchange.

Justin Sun, founder of TRON, speaks during the Korea Blockchain Week 2025 in Seoul, South Korea, September 23, 2025.

WATCH: Hackers hijack digital bus stop screens in several Israeli cities, play Arabic audio

Transportation Ministry says it is examining the source of the malfunction, as clips from Ashdod and Ramat Gan show siren-like sounds and Arabic music.

A man holds a laptop computer as cyber code is projected on him in this illustration picture

Australia spy chief says Chinese hackers probing telecommunications, critical infrastructure

The Australian Security Intelligence Organization's director general of security, Mike Burgess, warned that Chinese hackers had also penetrated United States telecommunications systems.

Mike Burgess, Australian Security Intelligence Organisation (ASIO) Director-General of Security, delivers the 2025 Lowy Lecture in Sydney, Australia, November 4, 2025

Tenzai raises $75M to protect code written by AI

Tel Aviv-based cybersecurity startup Tenzai emerges from stealth with one of the largest seed rounds in industry history, aiming to revolutionize penetration testing with autonomous AI

Tenzai

‘Trump is your president’: Screen at Mamdani election night HQ displays pro-Trump message

After a campaign night hack, Mamdani used his speech to challenge Trump, promising to defend immigrants and hold powerful interests to account.

Screenshot of a video of New York City Mayor Zohran Mamdani's Tuesday night election party. November 4, 2025.

Check Point uncovers Microsoft Teams flaws letting hackers fake messages and identities

Researchers warn that new Microsoft Teams vulnerabilities let attackers manipulate chats and spoof trusted users, eroding digital trust at work.

Head of Product Vulnerability Research Check Point Oded Vanunu.