A malicious advertising campaign promoting a fake free TV-streaming service reached roughly 570,000 Meta users. The researchers who discovered the campaign found that its streaming-themed ads were aimed at Spanish-speaking users, with most observed victims located in Spain. One Meta campaign ran from June 11 through July 3, 2026, and the same banners were also used to distribute the malware through TikTok. The available data shows the ads’ reach, not the number of downloads or infections, but…
In this article What is ASCII smuggling?Writing a practical ASCII-smuggling signatureWhat we observed: ASCII smuggling repurposed for phishingWhat is known and what is newIs there a detection gap?Mitigation and protection guidanceReferencesLearn More Microsoft researchers observed a high-volume phishing campaign using invisible Unicode tag characters, a technique popularized in AI prompt injection research as ASCII Smuggling. Instead of using these characters to hide instructions from people…
A Nemzetbiztonsági Szakszolgálat Nemzeti Kiberbiztonsági Intézet (NBSZ NKI) riasztást ad ki Magyarország Ügyészségének nevével és arculati elemeivel visszaélő, zsarolóvírus fertőzéshez vezető adathalász üzenetekről. A bejelentések alapján a támadók hamis, hivatalos megkeresés látszatát keltő leveleket küldenek, amelyekben ügyészségi alkalmazottak nevével élnek vissza. A kampány célja az, hogy a felhasználó a levélben szereplő hivatkozásra kattintson, majd a […]
In this article Risk to enterprise environmentsAttack chain overviewMitigation and response recommendationsLearn more Microsoft Threat Intelligence has observed a human-operated intrusion campaign that abuses Microsoft Teams external collaboration to impersonate IT or helpdesk personnel and socially engineer users into granting an interactive remote session. Once remote control is established via RMM tools, the threat actor uses PowerShell to download and silently install a malicious MSI…
In a tech support scam, criminals pretend to work for a trusted technology or security company. They claim there is a problem with your device, software, subscription, or account, then try to persuade you to pay them, share personal information, or give them remote access to your computer. These scams used to rely mainly on browser locks and fake virus warnings. Now, scammers use many more ways to reach people, including websites and platforms they trust. How tech support scams reach you As…
Research by: Amit Yardeni Key Points A Chinese-speaking actor is now targeting Brazil. Check Point Research has uncovered a sustained campaign against Brazilian organizations, primarily government and educational institutions since mid-2025. We dubbed this group Gambling Goblin: a Chinese-speaking cybercrime cluster connected to a previously documented group, Earth Berberoka, that targeted gambling sites across Asia. It marks a shift from Brazil’s usual home-grown banking-trojan threats to a…
Phishing actors are abusing the legitimate Faronics Deploy endpoint-management platform to gain remote administrative control over victim computers and install the ScreenConnect remote support software. [...]
While monitoring Mirage Kitten activity, we uncovered a previously undocumented malware family that we dubbed NodeRabbit. We identified the first sample on a system in Afghanistan. Further threat hunting revealed two additional, more advanced, variants: one on a system in Egypt and another on a system in Ethiopia. NodeRabbit is a cross-platform remote access trojan (RAT) built with Node.js. It targets Windows, Linux, and macOS. Its operators deliver it through spear-phishing messages on…
A new ClickFix variant dubbed TerminalFix uses fake Cloudflare CAPTCHA prompts on compromised websites to trick victims into running malicious PowerShell commands in Windows Terminal. [...]
Learn how the Spring Ring campaign abuses Microsoft Teams and voice phishing to deploy malware and target enterprise domain controllers. The post Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams appeared first on Unit 42.
In this article Attack chain overviewMitigation and protection guidanceLearn more Microsoft Threat Intelligence has observed a TerminalFix campaign, a variant of ClickFix, targeting organizations across multiple industries. The campaign uses compromised websites to display a fake Cloudflare CAPTCHA verification overlay that tricks users into copying and executing a malicious PowerShell command. While traditional ClickFix campaigns direct victims to the Windows Run dialog, TerminalFix campaigns…
Uživatelé iPhonů se stávají terčem nového podvodu vydávajícího se za technickou podporu, který se je snaží oklamat pomocí falešného upozornění na platbu přes Apple Pay. Na podvodné webové stránce se zobrazí upozornění, které věrohodně napodobuje systémovou notifikaci telefonu a průběh platby přes Apple Pay, včetně údajného ověřování pomocí Face ID a dalších běžných bezpečnostních prvků. Následuje varování o zablokování Apple ID a výzva ke kontaktování falešné podpory Apple. Stránka navíc dokáže…
GreyNoise is observing automated scanners posing as the web crawlers of OpenAI, Anthropic, DeepSeek, and Fortune 500 companies, using forged user agents while requesting the files where misconfigured web servers frequently leak secrets and credentials.