HHS warns industry about resurfaced ransomware group after attack on cancer center

In a cybersecurity notification, the department warned the sector about TimisoaraHackerTeam, or THT, after an attack on a U.S. cancer center that “significantly reduced” its capability to treat patients.

By Emily Olsen • June 21, 2023

Barracuda ESG devices actively exploited in broad, ongoing espionage campaign

The campaign is the broadest by a China-nexus actor since the mass exploitation of Microsoft Exchange in 2021, Mandiant researchers said.

By David Jones • Updated June 15, 2023

Explore the Trendline➔

Top 5 stories from Cybersecurity Dive

High-profile cybersecurity incidents and a rush to adopt new technologies illustrate the tumultuousness of 2023 so far.

By Cybersecurity Dive staff

Microsoft review of Azure outage shows spike in HTTP requests as researchers blame DDoS

The Azure incident followed a series of outages in Outlook, OneDrive and other services last week. An alleged hacktivist group claimed responsibility for DDoS attacks.

By David Jones • June 14, 2023

Microsoft says Azure disrupted after a week of repeated service outages

The vendor is still investigating claims of DDoS attacks by a hacktivist group called Anonymous Sudan, after OneDrive, Outlook and other services were disrupted.

By David Jones • June 12, 2023

Microsoft investigating threat actor claims following multiple outages in 365, OneDrive

A hacktivist group known as Anonymous Sudan has claimed to be involved in DDoS attacks.

By David Jones • June 9, 2023

Cyber insurance market is stabilizing as growth remains certain, Moody’s says

Escalating price increases have moderated as the business has become profitable. Insurance firms are placing tight controls regarding cyber hygiene practices.

By David Jones • June 8, 2023

Cybercriminals target C-suite, family members with sophisticated attacks

A study by BlackCloak and Ponemon shows senior executives are being targeted for IP theft, doxxing and extortion, often through home office networks.

By David Jones • June 5, 2023

Moody’s cites credit risk from state-backed cyber intrusions into US critical infrastructure

Key sectors could face short-term revenue impacts and long-term reputational harm and litigation risk, the credit ratings service said.

By David Jones • May 31, 2023

Ahead of summer holiday weekends, IT security leaders brace for deliberate cyber mischief

Recent history shows holiday weekends and vacations provide an attack surface bonanza for threat actors.

By David Jones • May 26, 2023

SMBs, regional MSPs under fire from targeted phishing attacks

Sophisticated cybercriminals are attacking vulnerable target rich and resource poor organizations to reach secondary victims via phishing campaigns, Proofpoint researchers warn.

By Matt Kapko • May 24, 2023

BEC attacks rise as criminal hackers employ new tactics to evade detection

Threat actors are using cybercrime as a service to grow industrial strength campaigns and leveraging residential IP addresses.

By David Jones • May 23, 2023

Criminal actors switch tactics after Microsoft began to block macros last year

Researchers from Proofpoint have seen a rise in HTML smuggling, PDFs and OneNote files for malware delivery since late 2022.

By David Jones • May 12, 2023

Ransomware insurance claims jump back up

Ransomware claims filed by U.S. clients of insurance broker Marsh spiked 77% in the first quarter, following a downward trend in 2022.

By Alexei Alexis • May 10, 2023

CISO anxiety returns amid heightened concern of material cyberattacks

A report by Proofpoint shows a brief sense of calm about cyber has slipped away amid rising fears of economic uncertainty and insider threats.

By David Jones • May 9, 2023

Western Digital confirms customer data accessed by hackers in attack

The company has begun notifying customers about stolen data and expects to restore its online store next week.

By David Jones • May 8, 2023

Companies need a wakeup call to fix chronic security shortcomings, cyber experts say

One researcher wonders if the industry needs another Snowden-like moment to spring organizations into action.

By Matt Kapko • May 3, 2023

Merck cyber coverage upheld in NotPetya decision, seen as victory for policyholders

A court victory in the closely watched insurance case is expected to stabilize a turbulent market and provide some assurance for organizations amid a rise in nation-state activity.

By David Jones • May 3, 2023

3 areas of generative AI the NSA is watching in cybersecurity

Generative AI is a “technological explosion,” NSA Cybersecurity Director Rob Joyce said. While it is game changing, it hasn’t yet delivered. 

By Matt Kapko • May 1, 2023

Organizations are boosting resilience, getting faster at incident response

While the number of data security incidents remained level between 2021 and 2022, companies improved recovery thanks to stronger security measures, BakerHostetler found.

By David Jones • May 1, 2023

Teenagers, young adults pose prevalent cyberthreat to US, Mandiant says

The brains behind high-profile attacks last year, teenagers and young adults use sophisticated social engineering techniques for intrusions.

By Matt Kapko • April 25, 2023

Early warning threat information platform launched for OT

The platform will provide a vendor-agnostic option for sharing early threat information and intelligence across industries, the group said Monday. 

By David Jones • April 24, 2023

Threat actors can use ChatGPT to sharpen cyberthreats, but no need to panic yet

Startling dangers, such as autonomous attack mechanisms and sophisticated malware coding, have yet to materialize. For now, the threat is more specific.

By Matt Kapko • April 21, 2023

3CX attack caused by another supply chain attack, Mandiant says

Mandiant Consulting CTO Charles Carmakal called the incident very novel and quite scary after the firm traced the attack to a previous compromise in financial trading software from Trading Technologies.

By Matt Kapko • April 20, 2023

Microsoft summons weather events to name threat actors

Under the new taxonomy, a blizzard or typhoon designation represents a nation-state actor and financially motivated threat actors fall under the family name tempest.

By Matt Kapko • April 19, 2023

ChatGPT at work: What’s the cyber risk for employers?

The use of ChatGPT could run afoul of company policy, copyright concerns, customer confidentiality or even international privacy laws, BlackBerry’s CISO writes. Here’s what businesses should consider.  

By Arvind Raman • April 11, 2023