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Category — encryption
How Searchable Encryption Changes the Data Security Game

How Searchable Encryption Changes the Data Security Game

Jul 29, 2024 Data Security / Encryption
Searchable Encryption has long been a mystery. An oxymoron. An unattainable dream of cybersecurity professionals everywhere. Organizations know they must encrypt their most valuable, sensitive data to prevent data theft and breaches. They also understand that organizational data exists to be used. To be searched, viewed, and modified to keep businesses running. Unfortunately, our Network and Data Security Engineers were taught for decades that you just can't search or edit data while in an encrypted state. The best they could do was to wrap that plaintext, unencrypted data within a cocoon of complex hardware, software, policies, controls, and governance. And how has that worked to date? Just look at the T-Mobile breach, the United Healthcare breach, Uber, Verizon, Kaiser Foundation Health Plan, Bank of America, Prudential… and the list goes on. All the data that was stolen in those breaches remained unencrypted to support day-to-day operations. It's safe to conclude that the way we...
RADIUS Protocol Vulnerability Exposes Networks to MitM Attacks

RADIUS Protocol Vulnerability Exposes Networks to MitM Attacks

Jul 09, 2024 Vulnerability / Network Security
Cybersecurity researchers have discovered a security vulnerability in the RADIUS network authentication protocol called BlastRADIUS that could be exploited by an attacker to stage Mallory-in-the-middle (MitM) attacks and bypass integrity checks under certain circumstances. "The RADIUS protocol allows certain Access-Request messages to have no integrity or authentication checks," InkBridge Networks CEO Alan DeKok, who is the creator of the FreeRADIUS Project , said in a statement. "As a result, an attacker can modify these packets without detection. The attacker would be able to force any user to authenticate, and to give any authorization (VLAN, etc.) to that user." RADIUS, short for Remote Authentication Dial-In User Service, is a client/server protocol that provides centralized authentication, authorization, and accounting (AAA) management for users who connect and use a network service. The security of RADIUS is reliant on a hash that's derived usi...
The Future of Serverless Security in 2025: From Logs to Runtime Protection

The Future of Serverless Security in 2025: From Logs to Runtime Protection

Nov 28, 2024Cloud Security / Threat Detection
Serverless environments, leveraging services such as AWS Lambda, offer incredible benefits in terms of scalability, efficiency, and reduced operational overhead. However, securing these environments is extremely challenging. The core of current serverless security practices often revolves around two key components: log monitoring and static analysis of code or system configuration. But here is the issue with that: 1. Logs Only Tell Part of the Story Logs can track external-facing activities, but they don't provide visibility into the internal execution of functions. For example, if an attacker injects malicious code into a serverless function that doesn't interact with external resources (e.g., external APIs or databases), traditional log-based tools will not detect this intrusion. The attacker may execute unauthorized processes, manipulate files, or escalate privileges—all without triggering log events. 2. Static Misconfiguration Detection is Incomplete Static tools that check ...
Signal Foundation Warns Against EU's Plan to Scan Private Messages for CSAM

Signal Foundation Warns Against EU's Plan to Scan Private Messages for CSAM

Jun 18, 2024 Privacy / Encryption
A controversial proposal put forth by the European Union to scan users' private messages for detection of child sexual abuse material (CSAM) poses severe risks to end-to-end encryption (E2EE), warned Meredith Whittaker, president of the Signal Foundation, which maintains the privacy-focused messaging service of the same name. "Mandating mass scanning of private communications fundamentally undermines encryption. Full Stop," Whittaker said in a statement on Monday. "Whether this happens via tampering with, for instance, an encryption algorithm's random number generation, or by implementing a key escrow system, or by forcing communications to pass through a surveillance system before they're encrypted." The response comes as law makers in Europe are putting forth regulations to fight CSAM with a new provision called "upload moderation" that allows for messages to be scrutinized ahead of encryption. A recent report from Euractiv revealed that...
cyber security

Creating, Managing and Securing Non-Human Identities

websitePermisoCybersecurity / Identity Security
A new class of identities has emerged alongside traditional human users: non-human identities (NHIs). Permiso Security's new eBook details everything you need to know about managing and securing non-human identities, and strategies to unify identity security without compromising agility.
Hackers Exploit Legitimate Packer Software to Spread Malware Undetected

Hackers Exploit Legitimate Packer Software to Spread Malware Undetected

Jun 06, 2024 Endpoint Security / Malware
Threat actors are increasingly abusing legitimate and commercially available packer software such as BoxedApp to evade detection and distribute malware such as remote access trojans and information stealers. "The majority of the attributed malicious samples targeted financial institutions and government industries," Check Point security researcher Jiri Vinopal said in an analysis. The volume of samples packed with BoxedApp and submitted to the Google-owned VirusTotal malware scanning platform witnessed a spike around May 2023, the Israeli cybersecurity firm added, with the artifact submissions mainly originating from Turkey, the U.S., Germany, France, and Russia. Among the malware families distributed in this manner are Agent Tesla, AsyncRAT, LockBit, LodaRAT, NanoCore, Neshta, NjRAT, Quasar RAT, Ramnit, RedLine, Remcos, RevengeRAT, XWorm, and ZXShell. Packers are self-extracting archives that are often used to bundle software and make them smaller. But over the year...
DarkGate Malware Replaces AutoIt with AutoHotkey in Latest Cyber Attacks

DarkGate Malware Replaces AutoIt with AutoHotkey in Latest Cyber Attacks

Jun 04, 2024 Vulnerability / Threat Intelligence
Cyber attacks involving the DarkGate malware-as-a-service (MaaS) operation have shifted away from AutoIt scripts to an AutoHotkey mechanism to deliver the last stages, underscoring continued efforts on the part of the threat actors to continuously stay ahead of the detection curve. The updates have been observed in version 6 of DarkGate released in March 2024 by its developer RastaFarEye, who has been selling the program on a subscription basis to as many as 30 customers. The malware has been active since at least 2018. A fully-featured remote access trojan (RAT), DarkGate is equipped with command-and-control (C2) and rootkit capabilities, and incorporates various modules for credential theft, keylogging, screen capturing, and remote desktop. "DarkGate campaigns tend to adapt really fast, modifying different components to try to stay off security solutions," Trellix security researcher Ernesto Fernández Provecho said in a Monday analysis. "This is the first time...
Are Your SaaS Backups as Secure as Your Production Data?

Are Your SaaS Backups as Secure as Your Production Data?

May 23, 2024 Encryption / Cloud Computing
Conversations about data security tend to diverge into three main threads: How can we protect the data we store on our on-premises or cloud infrastructure? What strategies and tools or platforms can reliably backup and restore data? What would losing all this data cost us, and how quickly could we get it back? All are valid and necessary conversations for technology organizations of all shapes and sizes. Still, the average company uses  400+ SaaS applications . The same report also uncovered that 56% of IT professionals aren't aware of their data backup responsibilities. This is alarming, given that 84% of survey respondents said at least 30% of their business-critical data lives inside SaaS applications.  SaaS data isn't like on-premises or cloud data because you have no ownership over the operating environment and far less ownership of the data itself. Due to those restrictions, creating automated backups, storing them in secure environments, and owning the restorati...
Zoom Adopts NIST-Approved Post-Quantum End-to-End Encryption for Meetings

Zoom Adopts NIST-Approved Post-Quantum End-to-End Encryption for Meetings

May 22, 2024 Encryption / Quantum Computing
Popular enterprise services provider Zoom has announced the rollout of post-quantum end-to-end encryption (E2EE) for Zoom Meetings, with support for Zoom Phone and Zoom Rooms coming in the future. "As adversarial threats become more sophisticated, so does the need to safeguard user data," the company  said  in a statement. "With the launch of post-quantum E2EE, we are doubling down on security and providing leading-edge features for users to help protect their data." Zoom's post-quantum E2EE uses  Kyber-768 , which aims at security roughly equivalent to AES-192. Kyber was  chosen  by the U.S. Department of Commerce's National Institute of Standards and Technology (NIST) in July 2022 as the quantum-resistant cryptographic algorithm for general encryption. However, for post-quantum E2EE to be enabled by default, it  requires  all meeting participants to be on Zoom desktop or mobile app version 6.0.10 or higher. In the e...
Critical GitHub Enterprise Server Flaw Allows Authentication Bypass

Critical GitHub Enterprise Server Flaw Allows Authentication Bypass

May 21, 2024 Vulnerability / Software Development
GitHub has rolled out fixes to address a maximum severity flaw in the GitHub Enterprise Server (GHES) that could allow an attacker to bypass authentication protections. Tracked as  CVE-2024-4985  (CVSS score: 10.0), the issue could permit unauthorized access to an instance without requiring prior authentication. "On instances that use SAML single sign-on (SSO) authentication with the optional encrypted assertions feature, an attacker could forge a SAML response to provision and/or gain access to a user with administrator privileges," the company said in an advisory. GHES is a self-hosted platform for software development, allowing organizations to store and build software using Git version control as well as automate the deployment pipeline. The issue impacts all versions of GHES prior to 3.13.0 and has been  addressed  in versions 3.9.15, 3.10.12, 3.11.10 and 3.12.4. GitHub further noted that encrypted assertions are not enabled by default...
Windows 11 to Deprecate NTLM, Add AI-Powered App Controls and Security Defenses

Windows 11 to Deprecate NTLM, Add AI-Powered App Controls and Security Defenses

May 21, 2024 Windows 11 Security
 Microsoft on Monday confirmed its plans to deprecate NT LAN Manager (NTLM) in Windows 11 in the second half of the year, as it announced a slew of new security measures to harden the widely-used desktop operating system. "Deprecating NTLM has been a huge ask from our security community as it will strengthen user authentication, and deprecation is planned in the second half of 2024," the tech giant  said . The Windows maker  originally announced  its decision to drop NTLM in favor of Kerberos for authentication in October 2023. NTLM's lack of support for cryptographic methods such as AES or SHA-256 notwithstanding, the protocol has also been rendered susceptible to relay attacks, a technique that has been widely exploited by the Russia-linked  APT28 actor  via zero-day flaws in Microsoft Outlook. Other changes coming to Windows 11 include enabling  Local Security Authority (LSA) protection  by default for new consumer devices and the use of v...
New Wi-Fi Vulnerability Enables Network Eavesdropping via Downgrade Attacks

New Wi-Fi Vulnerability Enables Network Eavesdropping via Downgrade Attacks

May 16, 2024 Vulnerability / Network Security
Researchers have discovered a new security vulnerability stemming from a design flaw in the IEEE 802.11 Wi-Fi standard that tricks victims into connecting to a less secure wireless network and eavesdrop on their network traffic. The  SSID Confusion attack , tracked as CVE-2023-52424, impacts all operating systems and Wi-Fi clients, including home and mesh networks that are based on WEP, WPA3, 802.11X/EAP, and AMPE protocols. The method "involves downgrading victims to a less secure network by spoofing a trusted network name (SSID) so they can intercept their traffic or carry out further attacks," Top10VPN  said , which collaborated with KU Leuven professor and researcher Mathy Vanhoef. "A successful SSID Confusion attack also causes any VPN with the functionality to auto-disable on trusted networks to turn itself off, leaving the victim's traffic exposed." The issue underpinning the attack is the fact that the Wi-Fi standard does not require the network na...
Black Basta Ransomware Strikes 500+ Entities Across North America, Europe, and Australia

Black Basta Ransomware Strikes 500+ Entities Across North America, Europe, and Australia

May 13, 2024 Ransomware / Endpoint Security
The Black Basta ransomware-as-a-service (RaaS) operation has targeted more than 500 private industry and critical infrastructure entities in North America, Europe, and Australia since its emergence in April 2022. In a joint advisory published by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the Department of Health and Human Services (HHS), and the Multi-State Information Sharing and Analysis Center (MS-ISAC), the agencies said the threat actors encrypted and stole data from at least 12 out of 16 critical infrastructure sectors. "Black Basta affiliates use common initial access techniques — such as phishing and exploiting known vulnerabilities — and then employ a double-extortion model, both encrypting systems and exfiltrating data," the bulletin  read . Unlike other ransomware groups, the ransom notes dropped at the end of the attack do not contain an initial ransom demand or payment instructions. Rather, the note...
New TunnelVision Attack Allows Hijacking of VPN Traffic via DHCP Manipulation

New TunnelVision Attack Allows Hijacking of VPN Traffic via DHCP Manipulation

May 09, 2024 Encryption / Data Privacy
Researchers have detailed a Virtual Private Network (VPN) bypass technique dubbed  TunnelVision  that allows threat actors to snoop on victim's network traffic by just being on the same local network. The "decloaking"  method  has been assigned the CVE identifier  CVE-2024-3661  (CVSS score: 7.6). It impacts all operating systems that implement a DHCP client and has support for DHCP option 121 routes. At its core, TunnelVision involves the routing of traffic without encryption through a VPN by means of an attacker-configured DHCP server using the  classless static route option 121  to set a route on the VPN user's  routing table . It also stems from the fact the DHCP protocol, by design, does not authenticate such option messages, thus exposing them to manipulation. DHCP is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as ...
New Spectre-Style 'Pathfinder' Attack Targets Intel CPU, Leak Encryption Keys and Data

New Spectre-Style 'Pathfinder' Attack Targets Intel CPU, Leak Encryption Keys and Data

May 08, 2024 Data Encryption / Hardware Security
Researchers have discovered two novel attack methods targeting high-performance Intel CPUs that could be exploited to stage a key recovery attack against the Advanced Encryption Standard (AES) algorithm. The techniques have been collectively dubbed  Pathfinder  by a group of academics from the University of California San Diego, Purdue University, UNC Chapel Hill, Georgia Institute of Technology, and Google. "Pathfinder allows attackers to read and manipulate key components of the branch predictor, enabling two main types of attacks: reconstructing program control flow history and launching high-resolution Spectre attacks," Hosein Yavarzadeh, the lead author of the  paper , said in a statement shared with The Hacker News. "This includes extracting secret images from libraries like libjpeg and recovering encryption keys from AES through intermediate value extraction." Spectre is the name given to a  class of side-channel attacks ...
Hijack Loader Malware Employs Process Hollowing, UAC Bypass in Latest Version

Hijack Loader Malware Employs Process Hollowing, UAC Bypass in Latest Version

May 08, 2024 Encryption / Information Stealer
A newer version of a malware loader called  Hijack Loader  has been observed incorporating an updated set of anti-analysis techniques to fly under the radar. "These enhancements aim to increase the malware's stealthiness, thereby remaining undetected for longer periods of time," Zscaler ThreatLabz researcher Muhammed Irfan V A  said  in a technical report. "Hijack Loader now includes modules to add an exclusion for Windows Defender Antivirus, bypass User Account Control (UAC), evade inline API hooking that is often used by security software for detection, and employ process hollowing." Hijack Loader, also called IDAT Loader, is a malware loader that was  first documented  by the cybersecurity company in September 2023. In the intervening months, the tool has been used as a conduit to deliver various malware families. This includes Amadey, Lumma Stealer (aka LummaC2), Meta Stealer, Racoon Stealer V2, Remcos RAT, ...
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