RSS ze světa hackingu


Data Wiper Malware Disguised As Ransomware Targets Israeli Entities

Researchers on Tuesday disclosed a new espionage campaign that resorts to destructive data-wiping attacks targeting Israeli entities at least since December 2020 that camouflage the malicious activity as ransomware extortions. Cybersecurity firm SentinelOne attributed the attacks to a nation-state actor affiliated with Iran it tracks under the moniker "Agrius." "An analysis of what at first…

Datum: 26. 5. 2021

WhatsApp Sues Indian Government Over New Privacy Threatening Internet Law

WhatsApp on Wednesday fired a legal salvo against the Indian government to block new regulations that would require messaging apps to trace the "first originator" of messages shared on the platform, thus effectively breaking encryption protections. "Requiring messaging apps to 'trace' chats is the equivalent of asking us to keep a fingerprint of every single message sent on WhatsApp, which would…

Datum: 26. 5. 2021

Google Researchers Discover A New Variant of Rowhammer Attack

A team of security researchers from Google has demonstrated yet another variant of the Rowhammer attack that bypasses all current defenses to tamper with data stored in memory. Dubbed "Half-Double," the new hammering technique hinges on the weak coupling between two memory rows that are not immediately adjacent to each other but one row removed.  "Unlike TRRespass, which exploits the blind spots…

Datum: 26. 5. 2021

Russian Hydra DarkNet Market Made Over $1.3 Billion in 2020

Russian-language dark web marketplace Hydra has emerged as a hotspot for illicit activities, pulling in a whopping $1.37 billion worth of cryptocurrencies in 2020, up from $9.4 million in 2016. The "blistering growth" in annual transaction volumes marks a staggering 624% year-over-year jump over a three-year period from 2018 to 2020. "Further buoying Hydra's growth is its ability—or its good…

Datum: 26. 5. 2021

Critical RCE Vulnerability Found in VMware vCenter Server — Patch Now!

VMware has rolled out patches to address a critical security vulnerability in vCenter Server that could be leveraged by an adversary to execute arbitrary code on the server. Tracked as CVE-2021-21985 (CVSS score 9.8), the issue stems from a lack of input validation in the Virtual SAN (vSAN) Health Check plug-in, which is enabled by default in the vCenter Server. "A malicious actor with network…

Datum: 26. 5. 2021

New High-Severity Vulnerability Reported in Pulse Connect Secure VPN

Ivanti, the company behind Pulse Secure VPN appliances, has published a security advisory for a high severity vulnerability that may allow an authenticated remote attacker to execute arbitrary code with elevated privileges. "Buffer Overflow in Windows File Resource Profiles in 9.X allows a remote authenticated user with privileges to browse SMB shares to execute arbitrary code as the root user,"…

Datum: 25. 5. 2021

New Bluetooth Flaws Let Attackers Impersonate Legitimate Devices

Adversaries could exploit newly discovered security weaknesses in Bluetooth Core and Mesh Profile Specifications to masquerade as legitimate devices and carry out man-in-the-middle (MitM) attacks. "Devices supporting the Bluetooth Core and Mesh Specifications are vulnerable to impersonation attacks and AuthValue disclosure that could allow an attacker to impersonate a legitimate device during…

Datum: 25. 5. 2021

Apple? Issues Patches to Combat Ongoing 0-Day Attacks on macOS, tvOS

Apple on Monday rolled out security updates for iOS, macOS, tvOS, watchOS, and Safari web browser to fix multiple vulnerabilities, including an actively exploited zero-day flaw in macOS Big Sur and expand patches for two previously disclosed zero-day flaws.  Tracked as CVE-2021-30713, the zero-day concerns a permissions issue in Apple's Transparency, Consent, and Control (TCC) framework in macOS…

Datum: 25. 5. 2021

Researchers Link CryptoCore Attacks On Cryptocurrency Exchanges to North Korea

State-sponsored hackers affiliated with North Korea have been behind a slew of attacks on cryptocurrency exchanges over the past three years, new evidence has revealed. Attributing the attack with "medium-high" likelihood to the Lazarus Group (aka APT38 or Hidden Cobra), researchers from Israeli cybersecurity firm ClearSky said the campaign, dubbed "CryptoCore," targeted crypto exchanges in…

Datum: 24. 5. 2021

What To Do When Your Business Is Hacked

As businesses move to a remote workforce, hackers have increased their activity to capitalize on new security holes. Cybercriminals often use unsophisticated methods that continue to be extremely successful. These include phishing emails to harvest credentials and gain easy access to business-critical environments. Hackers are also using ransomware to hold your data hostage, demanding a ransom…

Datum: 24. 5. 2021

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