ScanTitan checks what the internet can reach in your cloud. Test whether an S3, Google Cloud Storage or Azure Blob container allows anonymous listing, and assess cloud-hosted websites and servers as public assets. It does not connect to your cloud accounts, and object contents are never downloaded.
Cloud vulnerability scanning is the automated search for weaknesses in a cloud environment: exposed storage, misconfigured services, vulnerable software and unpatched workloads. Scanners reach the environment in three ways, and each one sees something different. ScanTitan works from the outside and shows what the internet can reach.
These get marketed as one thing and they are not. An external scan needs nothing from you and sees what an attacker sees. A connected assessment reads your account through a role you grant and sees what is configured inside it. ScanTitan offers the external scan.
Access needed: none. You enter a storage container or website address. It sees public storage, cloud-hosted websites and servers with a public address. It cannot see account configuration, identities or anything without a public address.
Access needed: a role in your cloud account. It would see configuration, identities and workloads inside the account. ScanTitan does not offer this, so use a connected posture tool or an open-source auditor for it.
Each provider names the same mistake differently. The check tests anonymous listing on all three and never downloads object contents.
Check: anonymous listing of the bucket. Fix: turn on S3 Block Public Access and review the bucket policy and ACLs for public grants.
Check: anonymous listing of the container. Fix: set the container access level to private and disable anonymous blob access on the storage account.
Check: anonymous listing of the bucket. Fix: remove allUsers and allAuthenticatedUsers and enforce public access prevention.
The damaging cloud incidents are rarely exotic: storage left open, an identity with more power than anyone realised, a management port exposed to the internet. Some of these can be seen from outside, others only from inside the account.
| Vulnerability | What it looks like in practice |
|---|---|
| Public storage containers | Data exposure Anonymous listing or reading exposes object names and sometimes data. Visible from outside: ScanTitan tests listing on S3, Google Cloud Storage and Azure Blob. |
| Management ports open to the internet | Remote access SSH, RDP and database ports reachable from the internet. Visible from outside: assessed on a public IP or server asset (Business plan). |
| Unpatched cloud servers | Known CVEs Public servers running software with published CVEs, ranked by CVSS, EPSS and CISA KEV status. Visible from outside. |
| Over-permissive identity roles | Privilege A role with more power than needed lets one stolen key reach much more. Not visible from outside: it needs account access, which ScanTitan does not use. |
| Missing encryption or logging | Blind spot Settings inside the account decide whether data is encrypted and whether attacks leave a trail. Not visible from outside. |
| Leaked credentials | Account takeover Keys committed to code or left in configuration. This needs a secrets-scanning tool, which ScanTitan does not provide. |
How to read this table: visible from outside means a scan with no cloud account access can find it.
Yes. Each major provider has a scanner that runs inside your account. They see your workloads and configuration, but not what an outsider sees.
Open-source auditors are excellent and free, and native tools are already in your account. The table records how each one reaches your cloud and what it is best for. ScanTitan is the outside-in option.
| Feature | ScanTitan | Prowler | ScoutSuite | Cloud-native tools |
|---|---|---|---|---|
| Access needed | None, public targets only | Credentials you provide | Credentials you provide | Runs inside your account |
| Checks account configuration and identities | Not covered | Yes | Yes | Yes, per provider |
| Tests public storage from the outside | Yes, anonymous listing | Reads configuration | Reads configuration | Reads configuration |
| Price | Free check, paid plans for assets | Open source | Open source | Varies by provider |
| Best for | What the internet can reach | Auditing AWS, Azure and Google Cloud configuration | Multi-cloud configuration audits | Workloads and posture inside one provider |
How to read this table: based on each tool public documentation. ScanTitan does not check account configuration, so it complements these tools rather than replacing them.
Start from the question you need answered, then check the access each tool needs and how it ranks findings.
The check runs from outside and needs no cloud account and no ScanTitan account.
Answered by our security team, not by a chatbot.
Cloud vulnerability scanning is the automated search for weaknesses in a cloud environment, such as exposed storage, misconfigured services and vulnerable software. Scanners reach the environment from inside with an agent, through a connected cloud account, or from the outside. ScanTitan works from the outside and shows what the internet can reach.
Yes. Amazon Inspector scans workloads such as EC2 instances and container images inside an AWS account. Microsoft Defender for Cloud and Google Security Command Center play similar roles on Azure and Google Cloud. They work from inside your account, while ScanTitan checks what is reachable from outside.
Yes. The cloud storage exposure check on this page is free and needs no account. Open-source tools such as Prowler, ScoutSuite and Trivy are also free, but they run in your own environment with credentials that you provide.
No. ScanTitan does not connect to cloud accounts. It checks what is reachable from the internet, such as public storage containers, websites and servers with a public address.
No. The check tests whether anonymous listing is possible. Object contents are never downloaded.
Anonymous listing means anyone on the internet can list the object names in a storage container without credentials. Objects can also be readable separately, which depends on their own permissions.
No. You confirm that you own the target or have permission to check it before the check runs, and it supports public targets only.
The most common are public storage containers, overly permissive identity and access roles, management ports open to the internet, unpatched cloud servers, missing encryption or logging, and leaked credentials. ScanTitan covers the externally visible ones: public storage, exposed services and known CVEs on public servers.
Check a storage container now. The external check needs nothing from you, and it never downloads object contents.
CISSP · GXPN · GCIH · GWAPT · CISA · CEH · EnCE · ISO 27001 Lead Auditor · COBIT 5 · 12+ years in information security· Author profile →
One scanning engine, one report, one set of CVSS, EPSS and CISA KEV priorities. Pick the scanner that matches what you run.
