cybersecurity
UK announces plan to strengthen public sector cyber defenses
The United Kingdom has announced a new cybersecurity strategy, backed by more than £210 million ($283 million), to boost cyber defenses across government departments and the wider public sector. The new measures are part of the Government Cyber Action Plan that establishes a dedicated Government Cyber Unit to coordinate risk management and incident response, aiming to make online public services more […]
Hackers claim to hack Resecurity, firm says it was a honeypot
Threat actors associated with the “Scattered Lapsus$ Hunters” (SLH) claim to have breached the systems of cybersecurity firm Resecurity and stolen internal data, while Resecurity says the attackers only accessed a deliberately deployed honeypot containing fake information used to monitor their activity. Today, threat actors published screenshots on Telegram of the alleged breach, claiming they stole […]
The biggest cyber security and cyberattack stories of 2025
2025 was a big year for cyber security, with major cyberattacks, data breaches, threat groups reaching new notoriety levels, and, of course, zero-day vulnerabilities exploited in incidents. Some stories, though, were more impactful or popular with our readers than others. Below are fifteen of what GeekFeed believes are the most impactful cyber security topics of […]
Kali Linux 2025.4 released with 3 new tools, desktop updates
Kali Linux has released version 2025.4, its final update of the year, introducing three new hacking tools, desktop environment improvements, the preview of Wifipumpkin3 in NetHunter, and enhanced Wayland support. Kali Linux is a distribution designed for cybersecurity professionals and ethical hackers to perform red-teaming, penetration testing, security assessments, and network research. The distribution is […]
Marquis data breach impacts over 74 US banks, credit unions
Financial software provider Marquis Software Solutions is warning that it suffered a data breach that impacted dozens of banks and credit unions across the US. Marquis Software Solutions provides data analytics, CRM tools, compliance reporting, and digital marketing services to over 700 banks, credit unions, and mortgage lenders. In data breach notifications filed with US […]
Multiple London councils’ IT systems disrupted by cyberattack
The Royal Borough of Kensington and Chelsea (RBKC) and the Westminster City Council (WCC) announced that they are experiencing service disruptions following a cybersecurity issue. Multiple systems have been impacted by the attack, including phone lines, which prompted the two councils to activate emergency plans to make sure that residents still receive critical services. The two authorities […]
WhatsApp API flaw let researchers scrape 3.5 billion accounts
Researchers compiled a list of 3.5 billion WhatsApp mobile phone numbers and associated personal information by abusing a contact-discovery API that lacked rate limiting. The team reported the issue to WhatsApp, and the company has since added rate-limiting protections to prevent similar abuse. While this study was conducted by researchers who have not released the […]
Penn hacker claims to have stolen 1.2 million donor records in data breach
A hacker has taken responsibility for last week’s University of Pennsylvania “We got hacked” email incident, saying it was a far more extensive breach that exposed data on 1.2 million donors and internal documents. On Friday, University of Pennsylvania alumni and students began receiving multiple offensive emails from Penn.edu addresses claiming the university had been hacked and […]
‘We got hacked’ emails threaten to leak University of Pennsylvania data
The University of Pennsylvania suffered a cybersecurity incident on Friday, where students and alumni received a series of offensive emails from various University email addresses, claiming that data was stolen in a breach. The emails have a subject line of “We got hacked (Action Required)” and claim that data was stolen during an alleged breach, also […]
Advertising giant Dentsu reports data breach at subsidiary Merkle
Japanese advertising giant Dentsu has disclosed that its U.S.-based subsidiary Merkle suffered a cybersecurity incident that exposed staff and client data. The company states that the incident forced them to take certain systems offline as part of their response plan. “We detected abnormal activity within part of the network of Merkle, a company leading the […]