Researchers Daniil Grigoryan and Georgy Khandozhko revealed that PhantomCore attackers exploited a chain of three TrueConf Server vulnerabilities, including insufficient access control and file reading flaws, to breach Russian networks. This sophisticated attack highlights the importance of addressing these critical vulnerabilities to protect against potential threats.
Beware of fake CAPTCHAs that can drain your wallet! A cunning SMS scam routes victims to bogus web pages, tricking them into sending costly texts to over 50 international destinations.
Retail and hospitality firms are under siege from a financially motivated threat group, known as BlackFile Group, that's launching vishing attacks to extort money, with a campaign that has been quietly escalating since February 2026. This persistent threat uses no custom malware, making it a stealthy and formidable foe.
Cyber attackers have cleverly used Microsoft Teams to deploy a sophisticated malware suite, dubbed Snow, by tricking victims into installing a fake anti-spam patch that ultimately led to prolonged access, credential theft, and domain compromise. They started by creating a sense of urgency through email bombing, then followed up with a direct message on Microsoft Teams.
Researchers have uncovered a long-forgotten malware, fast16, that was designed to sabotage engineering software, beating even the infamous Stuxnet by at least five years. This ancient cyber threat, dating back to 2005, was engineered to spread rapidly and produce inaccurate calculations across entire facilities.
Beware of scammers posing as helpdesk heroes! They'll flood your inbox with spam, then reach out on Microsoft Teams with a fake fix that actually steals your password using custom Snow malware.
The Cybersecurity and Infrastructure Security Agency (CISA) has detected a sneaky backdoor, dubbed Firestarter, lurking on federal networks, which may not have been fully eliminated by Cisco's recent patches. Federal agencies are now on high alert, urged to hunt for this stealthy malware that could compromise their networks.
A custom backdoor called Firestarter has been discovered evading Cisco firewall updates and persisting across reboots, posing a significant threat to cybersecurity. This sophisticated malware is attributed to a threat actor linked to cyberespionage campaigns, including the notorious ArcaneDoor operation.
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Meet BlackFile, a financially motivated group that's been wreaking havoc on retail and hospitality organizations with a clever vishing extortion tactic, posing as IT support staff to steal data since February 2026. They're using spoofed VoIP numbers and fake Caller ID names to pull off their scams.
CISA and NCSC have uncovered a sneaky FIRESTARTER backdoor lurking in Cisco devices, allowing hackers to regain control even after patches are applied. This persistent threat can leave devices vulnerable to re-entry, putting your entire network at risk.
The Firestarter backdoor was a masterfully crafted threat that allowed attackers to maintain secret access to compromised networks even after they'd been updated, essentially giving them a backdoor key to re-enter without having to exploit new vulnerabilities. This sneaky tactic left victims vulnerable to repeat attacks, highlighting the need for robust cybersecurity measures.
For years, unsuspecting NASA employees and collaborators were duped into sharing sensitive US defense software with a Chinese national masquerading as a colleague, in a brazen phishing scheme that went undetected for years. The scam funneled top-secret aerospace and defense tech to the imposter, violating US export control laws in the process.
Beware of sneaky phishing emails that can hijack your Zimbra server with just a glance - no clicks or downloads required. A single malicious email can trigger a cross-site scripting attack, thanks to a recently patched vulnerability, CVE-2025-48700.
Beware of malicious apps on the App Store that masquerade as popular cryptocurrency wallets, aiming to steal your crypto seed phrase and drain your funds. These fake apps, uncovered by Kaspersky researchers, can trick you into revealing sensitive information with just a few taps.
Meet Tropic Trooper, a notorious cyber threat group that's been wreaking havoc since 2011, and learn how they've cleverly exploited SumatraPDF to deploy their AdaptixC2 malware. Their latest tactic involves using GitHub as a command-and-control platform to target Chinese-speaking individuals in Taiwan, as well as users in South Korea and Japan.
Meet fast16, a stealthy cyber-sabotage malware that went undetected until now, marking a new era in covert statecraft. Discovered by SentinelOne researchers, this silent threat has been hiding in plain sight since 2016.
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A new piece of malware called ZionSiphon, reportedly targeting Israeli water facilities, has been found to be surprisingly inept, with experts describing it as broken and showing little understanding of its supposed targets. The malware's code includes strings referencing the Israeli water sector and politically charged messaging, but its overall incompetence has downplayed initial alarm.
A custom implant called Firestarter can infiltrate Cisco network security devices, evading patches and routine reboots by manipulating device boot configuration to restore itself. Only a hard reboot, physically disconnecting the device from its power supply, can clear the persistence mechanism from memory.
Chinese hackers are sneaking nation-state attacks under the radar by hijacking everyday IoT devices, such as home routers and smart cameras, to hide their digital footprints. This stealthy tactic allows them to evade accountability and strike from the shadows.
Trigona ransomware attackers have unleashed a custom-built, command-line tool that turbocharges data theft, allowing them to siphon off sensitive information with lightning speed and razor-sharp efficiency. This potent tool is the latest weapon in their arsenal, enabling faster and more efficient data exfiltration from compromised environments.
Cyber attackers are exploiting Microsoft Teams by impersonating IT helpdesk staff, tricking victims into accepting chats from unfamiliar accounts and deploying SNOW malware. They start by flooding inboxes with urgent emails, then pose as IT support over Teams, offering to fix the problem.
In a clever social engineering ploy, UNC6692 launched a massive email campaign in late December 2025, flooding targets with messages to create a sense of urgency and distraction, before following up with a convincing Microsoft Teams message that pushed a malicious link. The attackers then cleverly disguised their malware as a legitimate "Mailbox Repair and Sync Utility" patch, hosted on an Amazon S3 page.
Imagine a future where AI launches devastating cloud attacks with minimal human intervention - a threat that's no longer theoretical, but a harsh reality as demonstrated by a recent state-sponsored espionage campaign where AI executed 80-90% of the attack autonomously. Palo Alto Networks' Unit 42 has taken this threat to the next level by building a proof-of-concept AI model called Zealot that can execute end-to-end cloud attacks.
Chinese hackers have been caught off guard by their own carelessness, leaving behind a digital trail that exposed their previously undetected backdoor tactics. Researchers uncovered over 9,000 messages revealing the attackers' testing systems and habits, leading to the identification of a Chinese nation-state actor dubbed GopherWhisper.