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Aujourd’hui — 19 octobre 2021Securité

Cybersecurity Experts Warn of a Rise in Lyceum Hacker Group Activities in Tunisia

A threat actor, previously known for striking organizations in the energy and telecommunications sectors across the Middle East as early as April 2018, has evolved its malware arsenal to strike two entities in Tunisia. Security researchers at Kaspersky, who presented their findings at the VirusBulletin VB2021 conference earlier this month, attributed the attacks to a group tracked as Lyceum (aka
Hier — 18 octobre 2021Securité

State-backed hackers breach telcos with custom malware

18 octobre 2021 à 19:28
A previously unknown state-sponsored actor is deploying a novel toolset in attacks targeting telecommunication providers and IT firms in South Asia. [...]

Why Database Patching Best Practice Just Doesn't Work and How to Fix It

Patching really, really matters – patching is what keeps technology solutions from becoming like big blocks of Swiss cheese, with endless security vulnerabilities punching hole after hole into critical solutions. But anyone who's spent any amount of time maintaining systems will know that patching is often easier said than done. Yes, in some instances, you can just run a command line to install

Suspected Chinese hackers behind attacks on ten Israeli hospitals

18 octobre 2021 à 16:55
A joint announcement from the Ministry of Health and the National Cyber Directorate in Israel describes a spike in ransomware attacks over the weekend that targeted the systems of nine health institutes in the country. [...]

Microsoft: Windows 11 bug may only allow admins to print

18 octobre 2021 à 16:44
Microsoft is working on a fix for a known issue impacting Windows 11 customers and causing a prompt for admin credentials before every attempt to print. [...]

Microsoft asks admins to patch PowerShell to fix WDAC bypass

18 octobre 2021 à 15:30
Microsoft has asked system administrators to patch PowerShell 7 against two vulnerabilities allowing attackers to bypass Windows Defender Application Control (WDAC) enforcements and gain access to plain text credentials. [...]

Face à l’essor des attaques, comment tirer parti de la transformation numérique ?

18 octobre 2021 à 16:05
Par : UnderNews

Selon l’ONU, une cyberattaque a lieu toutes les 39 secondes dans le monde. « Autrefois, l’entreprise était sécurisée lorsqu’elle était prospère. Aujourd’hui, c’est parce qu’elle est sécurisée qu’elle prospère » explique Bertrand de Labrouhe, Senior Sales Director South Europe chez Gigamon.

The post Face à l’essor des attaques, comment tirer parti de la transformation numérique ? first appeared on UnderNews.

Cybersécurité : l’environnement opérationnel plus complexe avec l’utilisation généralisée des outils de collaboration

18 octobre 2021 à 15:31
Par : UnderNews

Selon le cabinet Gartner, le marché des outils collaboratifs et des intégrations sociales a bondi de 17,1 % entre 2020 et 2021, et devrait encore progresser de 14 % entre 2021 et 2022 ; des prévisions attendues au regard du contexte. Avec la crise sanitaire, le lieu de travail a en effet été repensé pour s'adapter aux nouvelles contraintes, mais aussi aux besoins et attentes des équipes.

The post Cybersécurité : l’environnement opérationnel plus complexe avec l’utilisation généralisée des outils de collaboration first appeared on UnderNews.

Microsoft fixes Windows 10 auth issue impacting Remote Desktop

18 octobre 2021 à 14:48
Microsoft has fixed a known Windows 10 issue causing smartcard authentication to fail when trying to connect using Remote Desktop after installing the cumulative updates released during the September 2021 Patch Tuesday. [...]

Credit card PINs can be guessed even when covering the ATM pad

18 octobre 2021 à 14:00
Researchers have proven it's possible to train a special-purpose deep-learning algorithm that can guess 4-digit card PINs 41% of the time, even if the victim is covering the pad with their hands.  [...]

Sinclair TV stations crippled by weekend ransomware attack

18 octobre 2021 à 11:52
TV stations owned by the Sinclair Broadcast Group broadcast television company went down over the weekend across the US, with multiple sources telling BleepingComputer the downtime was caused by a ransomware attack. [...]

Sinclair TV network crippled by potential ransomware attack

18 octobre 2021 à 11:52
TV stations owned by the Sinclair Broadcast Group broadcast television company went down over the weekend across the US, with multiple sources telling BleepingComputer the downtime was caused by a ransomware attack. [...]

Sécurité des systèmes de contrôle industriels : spywares et scripts malveillants en hausse au premier semestre 2021

18 octobre 2021 à 11:14
Par : UnderNews

D’après l’Industrial Control Systems Cyber Emergency Response Team (ICS CERT) de Kaspersky, une unité qui vise à détecter et à éliminer les menaces touchant les systèmes de contrôle industriels, près d’un système informatique industriel sur trois a été la cible d’activités malveillantes au premier trimestre 2021. Au premier semestre 2021, les cybercriminels ont eu largement […]

The post Sécurité des systèmes de contrôle industriels : spywares et scripts malveillants en hausse au premier semestre 2021 first appeared on UnderNews.

Over 30 Countries Pledge to Fight Ransomware Attacks in US-led Global Meeting

Representatives from the U.S., the European Union, and 30 other countries pledged to mitigate the risk of ransomware and harden the financial system from exploitation with the goal of disrupting the ecosystem, calling it an "escalating global security threat with serious economic and security consequences."  "From malign operations against local health providers that endanger patient care, to

Is Your Data Safe? Check Out Some Cybersecurity Master Classes

Since cybersecurity is definitely an issue that’s here to stay, I’ve just checked out the recently released first episodes of Cato Networks Cybersecurity Master Class Series.  According to Cato, the series aims to teach and demonstrate cybersecurity tools and best practices; provide research and real-world case studies on cybersecurity; and bring the voices and opinions of top cybersecurity

Windows 10, Linux, iOS, Chrome and Many Others at Hacked Tianfu Cup 2021

Windows 10, iOS 15, Google Chrome, Apple Safari, Microsoft Exchange Server, and Ubuntu 20 were successfully broken into using original, never-before-seen exploits at the Tianfu Cup 2021, the fourth edition of the international cybersecurity contest held in the city of Chengdu, China. Targets this year included Google Chrome running on Windows 10 21H1, Apple Safari running on Macbook Pro, Adobe

REvil Ransomware Gang Goes Underground After Tor Sites Were Compromised

REvil, the notorious ransomware gang behind a string of cyberattacks in recent years, appears to have gone off the radar once again, a little over a month after the cybercrime group staged a surprise return following a two-month-long hiatus. The development, first spotted by Recorded Future's Dmitry Smilyanets, comes after a member affiliated with the REvil operation posted on the XSS hacking

REvil ransomware shuts down again after Tor sites were hijacked

18 octobre 2021 à 01:19
The REvil ransomware operation has likely shut down once again after an unknown person hijacked their Tor payment portal and data leak blog. [...]

How to unlock Windows 11's God Mode to access advanced settings

18 octobre 2021 à 00:03
The settings app has been significantly improved, but several Control Panel features are still missing. Thankfully, Windows 11 still comes with the Control Panel and File Explorer-based advanced configuration page called "God Mode" that allows you to easily access all advanced tools, features, and tasks. [...]
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