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Iran's Nimbus Manticore pushes AI-built MiniFast backdoor via phishing and SEO poisoning
The Iranian state-sponsored threat actor known as Nimbus Manticore (aka Screening Serpens and UNC1549) has been attributed to a fresh campaign using lures impersonating organizations in the aviation and software sectors across the U.S., Europe, and the Middle East following the joint U.S.-Israeli military campaign against the country in late February 2026
Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.
PLUS: US takes down Iranian propaganda sites; Marketing company asks 'Why Do We Have Your Information?' And more! Infosec In Brief Russian intelligence-affiliated parties are posing as customer support services on commercial messaging applications such as Signal to compromise accounts and conduct phishing attacks, the FBI and Cybersecurity and Infrastructure Security Agency (CISA) warned last Friday.…
Iranian threat actors have been stealing credentials from people of interest across the Middle East, using spear-phishing and social engineering.
Also: NodeCordRAT Malware, North Korean QR-Phishing CampaignThis week, U.K. crypto exchanges linked to Iranian sanctions evasion, NodeCordRAT malware spread via npm, an FBI alert on North Korean QR-code phishing, illicit crypto hit $154 billion in 2025 and U.S. President Donald Trump said he won't pardon Sam Bankman-Fried.
The Iranian threat actor known as MuddyWater has been attributed to a spear-phishing campaign targeting diplomatic, maritime, financial, and telecom entities in the Middle East with a Rust-based implant codenamed RustyWater
A previously unknown cyber actor UNK_SmudgedSerpent has been observed targeting academics with phishing and malware, merging techniques from Iranian groups
Group-IB says Tehran-linked crew used hijacked mailbox and VPN to sling phishing emails across Middle East Iran's favorite muddy-footed cyberespionage crew is at it again, this time breaching more than 100 government entities across the Middle East and North Africa, according to researchers at Group-IB.…
Group-IB has uncovered a phishing campaign by Iran-linked MuddyWater, exploiting compromised emails for foreign intelligence
The Iranian threat group is using a compromised mailbox accessed through NordVPN to send phishing emails that prompt recipients to enable macros.
An Iran-nexus group has been linked to a "coordinated" and "multi-wave" spear-phishing campaign targeting the embassies and consulates in Europe and other regions across the world
An Iranian state-sponsored hacking group associated with the Islamic Revolutionary Guard Corps (IRGC) has been linked to a spear-phishing campaign targeting journalists, high-profile cyber security experts, and computer science professors in Israel
Charming Kitten unsheathes its claws and tries to catch credentials The cyber-ops arm of Iran's Islamic Revolutionary Guard Corps has started a spear-phishing campaign intent on stealing credentials from Israeli journalists, cybersecurity experts, and computer science professors from leading Israeli universities.…
Israel's cyber pros are having to put theory into practice, as a notorious nation-state APT sponsored by Iran targets them with spear-phishing attacks.
Multiple state-sponsored hacking groups from Iran, North Korea, and Russia have been found leveraging the increasingly popular ClickFix social engineering tactic to deploy malware over a three-month period from late 2024 through the beginning of 2025
Threat hunters are calling attention to a new highly-targeted phishing campaign that singled out "fewer than five" entities in the United Arab Emirates (U.A.E.) to deliver a previously undocumented Golang backdoor dubbed Sosano
And you, China, Russia, North Korea ... Guardrails block malware generation Google says it's spotted Chinese, Russian, Iranian, and North Korean government agents using its Gemini AI for nefarious purposes, with Tehran by far the most frequent naughty user out of the four.…
The TA455 phishing campaign used fake job offers on LinkedIn to deploy malware
CISA and FBI Warn of Iranian Hackers Targeting US Political Campaigns and OfficialsThe Cybersecurity and Infrastructure Security Agency and the Federal Bureau of Investigation have issued new guidance to help U.S. political campaigns defend against increasing cyber threats from Iran, recommending stronger multi-factor authentication, phishing-resistant protocols, and vigilance against social engineering.