Cyber Security

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 relates to a command injection vulnerability that could allow malicious actors to gain arbitrary code

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 shell to facilitate hands-on-keyboard access, which the attackers used

Whether you relish a mental challenge or fancy a six-figure paycheck, there are many good reasons to get into white hat hacking. That said, picking up the necessary knowledge to build a new career can seem like a daunting task. There is a lot to learn, after all. To help you get started, The Hacker

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 under the name Witchetty, which is also known as LookingFrog, a subgroup

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, Linux vCenter servers, and Windows virtual machines, allowing attackers to maintain persistent access to the hypervisor

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. That’s according to Vietnamese cybersecurity company GTSC, which discovered the shortcomings as part of its security monitoring and incident response efforts in August 2022. The

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 STEEP#MAVERICK by Securonix, also targeted a strategic supplier to the F-35 Lightning II fighter aircraft. “The attack was carried out

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 used for payment processing works,” Kaspersky researchers said.

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 purchase and maintain. Security

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 Shivtarkar and Avinash Kumar said in a Tuesday write-up. Sold on

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 environment, run remote shell commands, load additional modules, automatically propagate through

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 execution of arbitrary code simply by establishing a video

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 compromised machine,” cybersecurity firm Kaspersky said in a Monday report. “It

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 Ukraine (GUR) said. “By the cyberattacks, the enemy will try

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 breach and to help shield Australians from identity fraud,” the AFP said in

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 organizations associated with the Tibetan community, including enterprises associated with the Tibetan government-in-exile. The intrusions

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 the purported hacktivist Telegram channels ‘XakNet Team,’ ‘Infoccentr,’ and ‘CyberArmyofRussia_Reborn’ are coordinating their operations

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 Union on the dark web and netted a

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 the fake banking rewards app for ICICI Bank. “The malware’s RAT capabilities

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. As many as 3,500 victims have been reported as

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 looking in, we can guess the cybersecurity implications

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 Plus contain an unspecified vulnerability which allows for remote code execution,” the agency said in

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 remains in police custody.” The department said

Security software company Sophos has warned of cyberattacks targeting a recently addressed critical vulnerability in its firewall product. The issue, tracked as CVE-2022-3236 (CVSS score: 9.8), impacts Sophos Firewall v19.0 MR1 (19.0.1) and older and concerns a code injection vulnerability in the User Portal and Webadmin components that could result in remote code execution. The

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, 2022, adding the campaign impacted “many victim organizations.” The fraudulent

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 infrastructure per victim, and quickly deploying intricate countermeasures in the presence of security solutions,” researchers

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 maintainers as an “easy to use components library for Tailwind CSS

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 January 2016, is said to have encompassed 20 different variants of

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 terminals. How Did the Wiseasy Hack Happen? Wiseasy employees use a

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 “insider threats” – are increasing and cybersecurity practitioners are feeling the pain.