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4259 résultats taggé EN  ✕
Blog: Zen and the Art of Microcode Hacking https://bughunters.google.com/blog/5424842357473280/zen-and-the-art-of-microcode-hacking
06/03/2025 08:22:53
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This blog post covers the full details of EntrySign, the AMD Zen microcode signature validation vulnerability recently discovered by the Google Security team.

bughunters.google.com EN 2025 Zen Hacking AMD microcode signature vulnerability
Cisco warns of Webex for BroadWorks flaw exposing credentials https://www.bleepingcomputer.com/news/security/cisco-warns-of-webex-for-broadworks-flaw-exposing-credentials/
04/03/2025 20:09:51
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Cisco warned customers today of a vulnerability in Webex for BroadWorks that could let unauthenticated attackers access credentials remotely.

bleepingcomputer EN 2025 Credentials Computer Cisco WebEx Broadworks
Havoc: SharePoint with Microsoft Graph API turns into FUD C2 https://www.fortinet.com/blog/threat-research/havoc-sharepoint-with-microsoft-graph-api-turns-into-fud-c2
04/03/2025 08:29:11
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ForitGuard Lab reveals a modified Havoc deployed by a ClickFix phishing campaign. The threat actor hides each stage behind SharePoint and also uses it as a C2.

FortiGuard-Labs-Threat-Research EN 2025 C2-server ClickFix SharePoint campaign
New DDoS Botnet Discovered: Over 30,000 Hacked Devices, Majority of Observed Activity Traced to Iran https://www.greynoise.io/blog/new-ddos-botnet-discovered
03/03/2025 20:46:23
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A newly discovered global cyber threat is rapidly expanding, infecting tens of thousands of internet-connected devices to launch powerful cyberattacks.

greynoise EN 2025 analysis botnet internet-connected devices to Iran
Doppelgänger: New disinformation campaigns spreading on social media through Russian networks https://www.intrinsec.com/doppelganger-new-disinformation-campaigns-spreading-on-social-media-through-russian-networks/?cn-reloaded=1
03/03/2025 11:20:47
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This report presents:

  • The intrusion set commonly known as Doppelgänger continues to spread disinformation narratives on social medias such as X, through bot accounts specifically made for such campaigns.
  • As for its previous campaigns, Doppelgänger pushes its anti-western narrative on pages spoofing the medias of the targeted countries, such as France, Germany, Italy, Ukraine, and Israel. The disinformation campaign aims to manipulate public opinion by exploiting sensitive issues and exacerbating social and geopolitical divisions.
  • The linguistic characteristics of the articles suggest that some of them were translated from Russian or edited by Russian natives, reinforcing the hypothesis that they are of Russian origin.
  • In order to bypass both manual and automatic moderation on social media platforms, Doppelgänger continues to leverage Kehr[.]io, a redirection provider advertised on Russian speaking underground forums. This service hosts its infrastructure on IPs announced by English companies managed by Ukrainian and Belarusian individuals that we could connect with a high level of confidence to bulletproof network hosting solutions.
  • The disinformation campaigns remain ongoing.
intrinsec EN 2025 Doppelgänger Russia disifnormation campaigns
360XSS: Mass Website Exploitation via Virtual Tour Framework for SEO Poisoning https://olegzay.com/360xss/
03/03/2025 11:09:56
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360XSS - Hackers are exploiting a reflected XSS vulnerability in the "Krpano" VR library across hundreds of websites for SEO poisoning.

olegzay.com EN 2025 360XSS reflected-XSS VR library SEO-poisoning
Commission launches new cybersecurity blueprint to enhance EU cyber crisis coordination | Shaping Europe’s digital future https://digital-strategy.ec.europa.eu/en/news/commission-launches-new-cybersecurity-blueprint-enhance-eu-cyber-crisis-coordination
03/03/2025 11:05:33
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The Commission has presented a proposal to ensure an effective and efficient response to large-scale cyber incidents.

digital-strategy.ec.europa.eu EN 2025 policy blueprint strategy cybersecurity incidents
Zapier says someone broke into its code repositories and may have accessed customer data https://www.theverge.com/news/622026/zapier-data-breach-code-repositories
03/03/2025 11:01:54
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Zapier is notifying customers about a “security incident,” which involved an unauthorized user gaining access to the company’s code repositories and “certain custom information.”

theverge EN 2025 Zapier incident repositories data-leak
Spyzie stalkerware is spying on thousands of Android and iPhone users https://techcrunch.com/2025/02/27/spyzie-stalkerware-spying-on-thousands-of-android-and-iphone-users/
03/03/2025 10:59:56
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Another little-known phone monitoring outfit has quietly amassed half a million customers, whose email addresses are now in Have I Been Pwned.

techcrunch EN 2025 Spyzie stalkerware data-leak HIBP
Cellebrite zero-day exploit used to target phone of Serbian student activist - Amnesty International Security Lab https://securitylab.amnesty.org/latest/2025/02/cellebrite-zero-day-exploit-used-to-target-phone-of-serbian-student-activist/
02/03/2025 10:07:54
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Amnesty International’s Security Lab uncovers sophisticated Cellebrite zero-day exploit, impacting billions of Android devices.

securitylab.amnesty.org Amnesty EN 2025 Cellebrite Serbia spyware Android
Researchers uncover unknown Android flaws used to hack into a student's phone https://techcrunch.com/2025/02/28/researchers-uncover-unknown-android-flaws-used-to-hack-into-a-students-phone/
01/03/2025 08:18:44
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Amnesty International said that Google fixed previously unknown flaws in Android that allowed authorities to unlock phones using forensic tools. On

techcrunch EN 2025 Android forensic spyware Amnesty unknown Cellebrite
Exclusive: Hegseth orders Cyber Command to stand down on Russia planning https://therecord.media/hegseth-orders-cyber-command-stand-down-russia-planning
01/03/2025 08:17:37
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The secretary of Defense has ordered U.S. Cyber Command to stand down from all planning against Russia, including offensive digital actions, sources tell Recorded Future News.

therecord.media EN 2025 Russia CISA US stand-down
Trump administration retreats in fight against Russian cyber threats https://www.theguardian.com/us-news/2025/feb/28/trump-russia-hacking-cyber-security
01/03/2025 08:17:20
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Recent incidents indicate US is no longer characterizing Russia as a cybersecurity threat, marking a radical departure: ‘Putin is on the inside now’

theguardian EN 2025 Trump US Russia CISA threat
Cellebrite suspends Serbia as customer after claims police used firm's tech to plant spyware | TechCrunch https://techcrunch.com/2025/02/26/cellebrite-suspends-serbia-as-customer-after-claims-police-used-firms-tech-to-plant-spyware/
27/02/2025 09:01:28
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Security researchers found evidence that Cellebrite was used by Serbian police to hack into the cellphones of a local journalist and an activist.

techcrunch EN 2025 Cellebrite Serbia spyware police
Confluence Exploit Leads to LockBit Ransomware https://thedfirreport.com/2025/02/24/confluence-exploit-leads-to-lockbit-ransomware/
26/02/2025 21:29:48
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Key Takeaways The intrusion began with the exploitation of CVE-2023-22527 on an exposed Windows Confluence server, ultimately leading to the deployment of LockBit ransomware across the environment.…

thedfirreport EN 2025 CVE-2023-22527 LockBit Ransomware Incident Confluence analysis
LARVA-208 https://catalyst.prodaft.com/public/report/larva-208/overview
26/02/2025 16:42:10
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(EncryptHub) is a threat actor that has come to the forefront with highly sophisticated spear-phishing attacks since 26 June 2024. In the attacks it has carried out, it exhibits a different operational strategy by carrying out all the processes necessary to obtain initial access through personalized SMS (smishing) or by calling the person directly (vishing) and tricking the victim into installing remote monitoring and management (RMM) software. When investigating the attacks carried out by the threat actor, it is evident that their social engineering techniques and persuasion skills are highly effective.
In the first phase, the actor usually creates a phishing site that targets the organization to obtain the victim's VPN credentials. The victim is then called and asked to enter the victim's details into the phishing site for technical issues, posing as an IT team or helpdesk. If the attack targeting the victim is not a call but a direct SMS text message, a fake Microsoft Teams link is used to convince the victim. After gaining access from the victim, the team runs various stealers on the compromised machine using the PowerShell

prodaft EN 2025 EncryptHub LARVA-208 analysis
Signals of Trouble: Multiple Russia-Aligned Threat Actors Actively Targeting Signal Messenger https://cloud.google.com/blog/topics/threat-intelligence/russia-targeting-signal-messenger?hl=en
26/02/2025 11:06:58
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Google Threat Intelligence Group (GTIG) has observed increasing efforts from several Russia state-aligned threat actors to compromise Signal Messenger accounts used by individuals of interest to Russia's intelligence services. While this emerging operational interest has likely been sparked by wartime demands to gain access to sensitive government and military communications in the context of Russia's re-invasion of Ukraine, we anticipate the tactics and methods used to target Signal will grow in prevalence in the near-term and proliferate to additional threat actors and regions outside the Ukrainian theater of war.

google EN Signal QRcode GTIG Russia Ukraine Messenger
Lumma Stealer Chronicles: PDF-themed Campaign Using Compromised Educational Institutions' Infrastructure https://www.cloudsek.com/blog/lumma-stealer-chronicles-pdf-themed-campaign-using-compromised-educational-institutions-infrastructure
26/02/2025 11:01:43
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The Lumma Stealer malware campaign is exploiting compromised educational institutions to distribute malicious LNK files disguised as PDFs, targeting industries like finance, healthcare, technology, and media. Once executed, these files initiate a stealthy multi-stage infection process, allowing cybercriminals to steal passwords, browser data, and cryptocurrency wallets. With sophisticated evasion techniques, including using Steam profiles for command-and-control operations, this malware-as-a-service (MaaS) threat highlights the urgent need for robust cybersecurity defenses. Stay vigilant against deceptive phishing tactics to protect sensitive information from cyber exploitation.

cloudsek EN 2025 edu LummaStealer compromised educational LNK analysis
Researchers accuse North Korea of $1.4 billion Bybit crypto heist https://techcrunch.com/2025/02/24/researchers-accuse-north-korea-of-1-4-billion-bybit-crypto-heist/
24/02/2025 18:53:25
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North Korea is behind the massive crypto hack, according to several blockchain monitoring firms and a well-known researcher

techcrunch EN 2025 Bybit crypto North-Korea attribution
An Update on Fake Updates: Two New Actors, and New Mac Malware https://www.proofpoint.com/us/blog/threat-insight/update-fake-updates-two-new-actors-and-new-mac-malware
24/02/2025 13:31:59
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Key findings  Proofpoint identified and named two new cybercriminal threat actors operating components of web inject campaigns, TA2726 and TA2727.  Proofpoint identified a new

  • Proofpoint identified and named two new cybercriminal threat actors operating components of web inject campaigns, TA2726 and TA2727.
  • Proofpoint identified a new MacOS malware delivered via web inject campaigns that our researchers called FrigidStealer.
  • The web inject campaign landscape is increasing, with a variety of copycat threat actors conducting similar campaigns, which can make it difficult for analysts to track.
proofpoint EN 2025 Fake Updates TA2726 TA2727 macOS FrigidStealer
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