20981 matches found
State-Sponsored Hackers Likely Exploited MS Exchange 0-Days Against ~10 Organizations
Microsoft on Friday disclosed that a single activity group in August 2022 achieved initial access and breached Exchange servers by chaining the two newly disclosed zero-day flaws in a limited set of attacks aimed at less than 10 organizations globally. "These attacks installed the Chopper web she...
CISA Warns of Hackers Exploiting Critical Atlassian Bitbucket Server Vulnerability
The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday added a recently disclosed critical flaw impacting Atlassian's Bitbucket Server and Data Center to the Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. Tracked as CVE-2022-36804, the issue...
New Malware Families Found Targeting VMware ESXi Hypervisors
Threat actors have been found deploying never-before-seen post-compromise implants in VMware's virtualization software to seize control of infected systems and evade detection. Google's Mandiant threat intelligence division referred to it as a "novel malware ecosystem" that impacts VMware ESXi,...
Cyber Attacks Against Middle East Governments Hide Malware in Windows Logo
An espionage-focused threat actor has been observed using a steganographic trick to conceal a previously undocumented backdoor in a Windows logo in its attacks against Middle Eastern governments. Broadcom's Symantec Threat Hunter Team attributed the updated tooling to a hacking group it tracks...
New Malware Campaign Targeting Job Seekers with Cobalt Strike Beacons
A social engineering campaign leveraging job-themed lures is weaponizing a years-old remote code execution flaw in Microsoft Office to deploy Cobalt Strike beacons on compromised hosts. "The payload discovered is a leaked version of a Cobalt Strike beacon," Cisco Talos researchers Chetan...
Why Organisations Need Both EDR and NDR for Complete Network Protection
Endpoint devices like desktops, laptops, and mobile phones enable users to connect to enterprise networks and use their resources for their day-to-day work. However, they also expand the attack surface and make the organisation vulnerable to malicious cyberattacks and data breaches. Why Modern...
North Korean Hackers Weaponizing Open-Source Software in Latest Cyber Attacks
A "highly operational, destructive, and sophisticated nation-state activity group" with ties to North Korea has been weaponizing open source software in their social engineering campaigns aimed at companies around the world since June 2022. Microsoft's threat intelligence teams, alongside LinkedI...
Microsoft Confirms 2 New Exchange Zero-Day Flaws Being Used in the Wild
Microsoft officially disclosed it investigating two zero-day security vulnerabilities impacting Exchange Server 2013, 2016, and 2019 following reports of in-the-wild exploitation. "The first vulnerability, identified as CVE-2022-41040, is a Server-Side Request Forgery SSRF vulnerability, while th...
WARNING: New Unpatched Microsoft Exchange Zero-Day Under Active Exploitation
Security researchers are warning of previously undisclosed flaws in fully patched Microsoft Exchange servers being exploited by malicious actors in real-world attacks to achieve remote code execution on affected systems. The advisory comes from Vietnamese cybersecurity company GTSC, which...
Brazilian Prilex Hackers Resurfaced With Sophisticated Point-of-Sale Malware
A Brazilian threat actor known as Prilex has resurfaced after a year-long operational hiatus with an advanced and complex malware to steal money by means of fraudulent transactions. "The Prilex group has shown a high level of knowledge about credit and debit card transactions, and how software us...
Researchers Uncover Covert Attack Campaign Targeting Military Contractors
A new covert attack campaign singled out multiple military and weapons contractor companies with spear-phishing emails to trigger a multi-stage infection process designed to deploy an unknown payload on compromised machines. The highly-targeted intrusions, dubbed STEEPMAVERICK by Securonix, also...
Five Steps to Mitigate the Risk of Credential Exposure
Every year, billions of credentials appear online, be it on the dark web, clear web, paste sites, or in data dumps shared by cybercriminals. These credentials are often used for account takeover attacks, exposing organizations to breaches, ransomware, and data theft. While CISOs are aware of...
Swachh City Platform Suffers Data Breach Leaking 16 Million User Records
A threat actor by the name of LeakBase has shared a database containing personal information allegedly affecting 16 million users of Swachh City, an Indian complaint redressal platform. Leaked details include usernames, email addresses, password hashes, mobile numbers, one-time passwords, last...
Hackers Aid Protests Against Iranian Government with Proxies, Leaks and Hacks
Several hacktivist groups are using Telegram and other tools to aid anti-government protests in Iran to bypass regime censorship restrictions amid ongoing unrest in the country following the death of Mahsa Amini in custody. "Key activities are data leaking and selling, including officials' phone...
Researchers Warn of New Go-based Malware Targeting Windows and Linux Systems
A new, multi-functional Go-based malware dubbed Chaos has been rapidly growing in volume in recent months to ensnare a wide range of Windows, Linux, small office/home office SOHO routers, and enterprise servers into its botnet. "Chaos functionality includes the ability to enumerate the host...
Cyber Criminals Using Quantum Builder Sold on Dark Web to Deliver Agent Tesla Malware
A recently discovered malware builder called Quantum Builder is being used to deliver the Agent Tesla remote access trojan RAT. "This campaign features enhancements and a shift toward LNK Windows shortcut files when compared to similar attacks in the past," Zscaler ThreatLabz researchers Niraj...
Improve your security posture with Wazuh, a free and open source XDR
Organizations struggle to find ways to keep a good security posture. This is because it is difficult to create secure system policies and find the right tools that help achieve a good posture. In many cases, organizations work with tools that do not integrate with each other and are expensive to...
Hackers Using PowerPoint Mouseover Trick to Infect Systems with Malware
The Russian state-sponsored threat actor known as APT28 has been found leveraging a new code execution method that makes use of mouse movement in decoy Microsoft PowerPoint documents to deploy malware. The technique "is designed to be triggered when the user starts the presentation mode and moves...
Facebook Shuts Down Covert Political 'Influence Operations' from Russia and China
Meta Platforms on Tuesday disclosed it took steps to dismantle two covert influence operations originating from China and Russia for engaging in coordinated inauthentic behavior CIB so as to manipulate public debate. While the Chinese operation sets its sights on the U.S. and the Czech Republic,...
Critical WhatsApp Bugs Could Have Let Attackers Hack Devices Remotely
WhatsApp has released security updates to address two flaws in its messaging app for Android and iOS that could lead to remote code execution on vulnerable devices. One of them concerns CVE-2022-36934 CVSS score: 9.8, a critical integer overflow vulnerability in WhatsApp that results in the...
Ukraine Says Russia Planning Massive Cyberattacks on its Critical Infrastructures
The Ukrainian government on Monday warned of "massive cyberattacks" by Russia targeting critical infrastructure facilities located in the country and that of its allies. The attacks are said to be targeting the energy sector, the Main Directorate of Intelligence of the Ministry of Defense of...
New NullMixer Malware Campaign Stealing Users' Payment Data and Credentials
Cybercriminals are continuing to prey on users searching for cracked software by directing them to fraudulent websites hosting weaponized installers that deploy malware called NullMixer on compromised systems. "When a user extracts and executes NullMixer, it drops a number of malware files to the...
Experts Uncover 85 Apps with 13 Million Downloads Involved in Ad Fraud Scheme
As many as 75 apps on Google Play and 10 on Apple App Store have been discovered engaging in ad fraud as part of an ongoing campaign that commenced in 2019. The latest iteration, dubbed Scylla by Online fraud-prevention firm HUMAN Security, follows similar attack waves in August 2019 and late 202...
Why Continuous Security Testing is a Must for Organizations Today
The global cybersecurity market is flourishing. Experts at Gartner predict that the end-user spending for the information security and risk management market will grow from $172.5 billion in 2022 to $267.3 billion in 2026. One big area of spending includes the art of putting cybersecurity defense...
North Korea's Lazarus Hackers Targeting macOS Users Interested in Crypto Jobs
The infamous Lazarus Group has continued its pattern of leveraging unsolicited job opportunities to deploy malware targeting Apple's macOS operating system. In the latest variant of the campaign observed by cybersecurity company SentinelOne last week, decoy documents advertising positions for the...
Hacker Behind Optus Breach Releases 10,200 Customer Records in Extortion Scheme
The Australian Federal Police AFP on Monday disclosed it's working to gather "crucial evidence" and that it's collaborating with overseas law enforcement authorities following the hack of telecom provider Optus. "Operation Hurricane has been launched to identify the criminals behind the alleged...
Researchers Identify 3 Hacktivist Groups Supporting Russian Interests
At least three alleged hacktivist groups working in support of Russian interests are likely doing so in collaboration with state-sponsored cyber threat actors, according to Mandiant. The Google-owned threat intelligence and incident response firm said with moderate confidence that "moderators of...
Chinese Espionage Hackers Target Tibetans Using New LOWZERO Backdoor
A China-aligned advanced persistent threat actor known as TA413 weaponized recently disclosed flaws in Sophos Firewall and Microsoft Office to deploy a never-before-seen backdoor called LOWZERO as part of an espionage campaign aimed at Tibetan entities. Targets primarily consisted of organization...
BlackCat Ransomware Attackers Spotted Fine-Tuning Their Malware Arsenal
The BlackCat ransomware crew has been spotted fine-tuning their malware arsenal to fly under the radar and expand their reach. "Among some of the more notable developments has been the use of a new version of the Exmatter data exfiltration tool, and the use of Eamfo, information-stealing malware...
5 Network Security Threats And How To Protect Yourself
Cybersecurity today matters so much because of everyone's dependence on technology, from collaboration, communication and collecting data to e-commerce and entertainment. Every organisation that needs to deliver services to their customers and employees must protect their IT 'network' - all the...
Google to Make Account Login Mandatory for New Fitbit Users in 2023
Wearable technology company Fitbit has announced a new clause that requires users to switch to a Google account "sometime" in 2023. "In 2023, we plan to launch Google accounts on Fitbit, which will enable use of Fitbit with a Google account," the Google-owned fitness devices maker said. The switc...
Ukraine Arrests Cybercrime Group for Selling Data of 30 Million Accounts
Ukrainian law enforcement authorities on Friday disclosed that it had "neutralized" a hacking group operating from the city of Lviv that it said acted on behalf of Russian interests. The group specialized in the sales of 30 million accounts belonging to citizens from Ukraine and the European Unio...
London Police Arrested 17-Year-Old Hacker Suspected of Uber and GTA 6 Breaches
The City of London Police on Friday revealed that it has arrested a 17-year-old teenager from Oxfordshire on suspicion of hacking. "On the evening of Thursday 22 September 2022, the City of London Police arrested a 17-year-old in Oxfordshire on suspicion of hacking," the agency said, adding "he...
Hackers Exploited Zero-Day RCE Vulnerability in Sophos Firewall — Patch Released
Security software company Sophos has released a patch update for its firewall product after it was discovered that attackers were exploiting a new critical zero-day vulnerability to attack its customers' network. The issue, tracked as CVE-2022-3236 CVSS score: 9.8, impacts Sophos Firewall v19.0 M...
Hackers Using Fake CircleCI Notifications to Hack GitHub Accounts
GitHub has put out an advisory detailing what may be an ongoing phishing campaign targeting its users to steal credentials and two-factor authentication 2FA codes by impersonating the CircleCI DevOps platform. The Microsoft-owned code hosting service said it learned of the attack on September 16,...
Researchers Uncover New Metador APT Targeting Telcos, ISPs, and Universities
A previously undocumented threat actor of unknown origin has been linked to attacks targeting telecom, internet service providers, and universities across multiple countries in the Middle East and Africa. "The operators are highly aware of operations security, managing carefully segmented...
CISA Warns of Hackers Exploiting Recent Zoho ManageEngine Vulnerability
The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday added a recently disclosed security flaw in Zoho ManageEngine to its Known Exploited Vulnerabilities KEV Catalog, citing evidence of active exploitation. "Zoho ManageEngine PAM360, Password Manager Pro, and Access Manager...
Firing Your Entire Cybersecurity Team? Are You Sure?
What on earth were they thinking? That's what we – and other security experts – were wondering when content giant Patreon recently dismissed its entire internal cybersecurity team in exchange for outsourced services. Of course, we don't know the true motivations for this move. But, as outsiders...
Void Balaur Hackers-for-Hire Targeting Russian Businesses and Politics Entities
A hack-for-hire group that was first exposed in 2019 has expanded its focus to set its sights on entities with business or political ties to Russia. Dubbed Void Balaur, the cyber mercenary collective has a history of launching cyberattacks against biotechnology and telecom companies since 2015. A...
Fake Indian Banking Rewards Apps Targeting Android Users with Info-stealing Malware
An SMS-based phishing campaign is targeting customers of Indian banks with information-stealing malware that masquerades as a rewards application. The Microsoft 365 Defender Research Team said that the messages contain links that redirect users to a sketchy website that triggers the download of t...
Hackers Using Malicious OAuth Apps to Take Over Email Servers
Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications deployed on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam. "The threat actor launched credential stuffing attacks against high-risk accounts that didn't...
Researchers Uncover Years-Long Mobile Spyware Campaign Targeting Uyghurs
A new wave of a mobile surveillance campaign has been observed targeting the Uyghur community as part of a long-standing spyware operation active since at least 2015, cybersecurity researchers disclosed Thursday. The intrusions, originally attributed to a threat actor named Scarlet Mimic back in...
Malicious NPM Package Caught Mimicking Material Tailwind CSS Package
A malicious NPM package has been found masquerading as the legitimate software library for Material Tailwind, once again indicating attempts on the part of threat actors to distribute malicious code in open source software repositories. Material Tailwind is a CSS-based framework advertised by its...
IT Security Takeaways from the Wiseasy Hack
Last month Tech Crunch reported that payment terminal manufacturer Wiseasy had been hacked. Although Wiseasy might not be well known in North America, their Android-based payment terminals are widely used in the Asia Pacific region and hackers managed to steal passwords for 140,000 payment...
Researchers Disclose Critical Vulnerability in Oracle Cloud Infrastructure
Researchers have disclosed a new severe Oracle Cloud Infrastructure OCI vulnerability that could be exploited by users to access the virtual disks of other Oracle customers. "Each virtual disk in Oracle's cloud has a unique identifier called OCID," Shir Tamari, head of research at Wiz, said in a...
15-Year-Old Unpatched Python Vulnerability Potentially Affects Over 350,000 Projects
As many as 350,000 open source projects are believed to be potentially vulnerable to exploitation as a result of a security flaw in a Python module that has remained unpatched for 15 years. The open source repositories span a number of industry verticals, such as software development, artificial...
Hackers Targeting Unpatched Atlassian Confluence Servers to Deploy Crypto Miners
A now-patched critical security flaw affecting Atlassian Confluence Server that came to light a few months ago is being actively exploited for illicit cryptocurrency mining on unpatched installations. "If left unremedied and successfully exploited, this vulnerability could be used for multiple an...
Over 39,000 Unauthenticated Redis Instances Found Exposed on the Internet
An unknown attacker targeted tens of thousands of unauthenticated Redis servers exposed on the internet in an attempt to install a cryptocurrency miner. It's not immediately known if all of these hosts were successfully compromised. Nonetheless, it was made possible by means of a "lesser-known...
Crypto Trading Firm Wintermute Loses $160 Million in Hacking Incident
In what's the latest crypto heist to target the decentralized finance DeFi space, hackers have stolen digital assets worth around $160 million from crypto trading firm Wintermute. The hack involved a series of unauthorized transactions that transferred USD Coin, Binance USD, Tether USD, Wrapped...
Why Zero Trust Should be the Foundation of Your Cybersecurity Ecosystem
For cybersecurity professionals, it is a huge challenge to separate the "good guys" from the "villains". In the past, most cyberattacks could simply be traced to external cybercriminals, cyberterrorists, or rogue nation-states. But not anymore. Threats from within organizations – also known as...